Zoning › State preemptions

State Preemptions Atlas

684 tracked laws across 51 states. Trigger predicates + preempted fields + citations.

Overview

Named state laws that override or constrain city zoning — 684 tracked laws across 51 states. Each card links to the trigger predicate, preempted fields, and citation. Use the filter to narrow by state or keyword.

Laws tracked
684
States covered
51 of 51
Related atlases

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Tracked laws

Alaska · overlay roll-up · codes · 9 laws
Alaska — No Statewide Short-Term Rental Preemption 1 field
Effective
2026-05-20
Authority
state · scope: state:AK
Open detail →
Alaska — No Statewide Density / ADU / IZ / Design Preemption 5 fields
Effective
2026-05-20
Authority
state · scope: state:AK
Open detail →
Alaska Coastal Management Program — Terminated 2011 (No Statewide Coastal Overlay) 2 fields
Effective
2011-07-01
Authority
state · scope: state:AK
Open detail →
Alaska AS 29.40.010 — Borough-Level Zoning Enabling (No State Override) 1 field
Effective
1985-01-01
Authority
state · scope: state:AK
Open detail →
Alaska AS 29.10.200 — Home-Rule Procedural Floor 2 fields
Effective
1985-01-01
Authority
state · scope: state:AK
Open detail →
Alaska AS 29.40.020 — Comprehensive Plan Consistency Doctrine 2 fields
Effective
1985-01-01
Authority
state · scope: state:AK
Open detail →
Alaska AS 29.40.130 — State-Owned Airport Noise & Hazard Coordination 1 field
Effective
1985-01-01
Authority
state · scope: state:AK
Open detail →
Alaska — Federal & ANCSA Native Lands Parcel Layer (Non-Zoned) 2 fields
Effective
1971-12-18
Authority
federal · scope: state:AK
Open detail →
Alaska Title 38 — State Proprietary Land Preemption (Parcel-Level) 2 fields
Effective
1959-01-03
Authority
state · scope: state:AK
Open detail →
Alabama · overlay roll-up · codes · 16 laws
Alabama Short-Term Rentals — No State Preemption (April 2026) 0 fields
Effective
2026-04-18
Authority
state · scope: state:AL
Open detail →
Alabama Density / ADU / Inclusionary Zoning / Design Review — No State Preemption 0 fields
Effective
2026-04-18
Authority
state · scope: state:AL
Open detail →
Alabama Black Belt National Heritage Area — Non-Regulatory Heritage Designation 1 field
Effective
2023-01-05
Authority
federal · scope: state:AL
Open detail →
Alabama Land Recycling & Economic Redevelopment Act — Voluntary Brownfield Cleanup 3 fields
Effective
2001-05-21
Authority
state · scope: state:AL
Open detail →
Selma to Montgomery National Historic Trail — NPS Viewshed Compatible-Use Advisory 1 field
Effective
1996-11-12
Authority
federal · scope: state:AL
Open detail →
Mobile Bay National Estuary Program — CCMP Coordination (Non-Regulatory) 2 fields
Effective
1996-10-01
Authority
federal_state_joint · scope: state:AL
Open detail →
Alabama Group-Home Preemption — Multi-Family District Inclusion 2 fields
Effective
1991-07-01
Authority
state · scope: state:AL
Open detail →
Alabama Manufactured Housing — No Zoning Preemption (Title 40/24 govern taxation, installation) 3 fields
Effective
1991-01-01
Authority
state · scope: state:AL
Open detail →
Alabama Historic Preservation — Title 11 Chapter 68 Local Authority Enabling 3 fields
Effective
1989-07-01
Authority
state · scope: state:AL
Open detail →
Alabama Tax Increment Financing — Title 11 Chapter 99 TIF Districts 4 fields
Effective
1987-07-01
Authority
state · scope: state:AL
Open detail →
Alabama Coastal Area Management Program — Permitting Overlay (Mobile + Baldwin) 3 fields
Effective
1979-09-01
Authority
state · scope: state:AL
Open detail →
Alabama Right-to-Farm — Agricultural Nuisance & SWCD Framework 3 fields
Effective
1978-07-01
Authority
state · scope: state:AL
Open detail →
Alabama Dillon's Rule Baseline — Title 11 Chapter 52 Delegated Zoning Authority 4 fields
Effective
1975-01-01
Authority
state · scope: state:AL
Open detail →
Alabama Airport Hazard Zoning — Title 4 Chapter 6 Enabling and Limits 3 fields
Effective
1975-01-01
Authority
state · scope: state:AL
Open detail →
Alabama Flood Damage Prevention — NFIP Participation + ADEM Floodplain Coordination 3 fields
Effective
1968-08-01
Authority
state_federal_joint · scope: state:AL
Open detail →
Alabama Military Installation Influence — AICUZ + JLUS (Redstone, Maxwell, Fort Novosel, Anniston, Marshall) 3 fields
Effective
1958-01-01
Authority
state_federal_joint · scope: state:AL
Open detail →
Arkansas · overlay roll-up · codes · 16 laws
Arkansas Tax Increment Finance — Redevelopment District Authority 2 fields
Effective
2001-01-01
Authority
state · scope: state:AR
Open detail →
Arkansas Private Wetlands and Riparian Zone Conservation 2 fields
Effective
1995-01-01
Authority
state · scope: state:AR
Open detail →
Arkansas Brownfield Voluntary Cleanup Program — DEQ Oversight & Liability Limits 2 fields
Effective
1995-01-01
Authority
state · scope: state:AR
Open detail →
Arkansas Critical Groundwater Areas — Awareness Designation & Conservation Incentives 2 fields
Effective
1991-07-12
Authority
state · scope: state:AR
Open detail →
Fort Chaffee / Ebbing AFRC / Fort Smith ANGB — Military Compatible Use Zones 2 fields
Effective
1987-01-01
Authority
federal_via_state · scope: state:AR
Open detail →
Arkansas Voluntary Agricultural District — Farmland Preservation & Nuisance Defense 2 fields
Effective
1981-01-01
Authority
state · scope: state:AR
Open detail →
Buffalo National River — Federal Adjacency & Viewshed (Newton, Searcy, Marion, Baxter Counties) 3 fields
Effective
1972-03-01
Authority
federal_via_state · scope: state:AR
Open detail →
McClellan-Kerr Arkansas River Navigation System — Federal Navigation & Floodway Corridor 2 fields
Effective
1971-06-05
Authority
federal_via_state · scope: state:AR
Open detail →
Arkansas Floodplain Management Act — NFIP-Aligned Local Mandate 3 fields
Effective
1969-01-01
Authority
state · scope: state:AR
Open detail →
Arkansas Historic Preservation Program — State-Designated & National Register Sites 2 fields
Effective
1969-01-01
Authority
state · scope: state:AR
Open detail →
Arkansas Municipal Planning Enabling Act — Procedural Floor & Plan-Precondition Rule 4 fields
Effective
1957-01-01
Authority
state · scope: state:AR
Open detail →
Arkansas Airport Zoning Act — Airport Hazard Area Compatible Use 3 fields
Effective
1947-01-01
Authority
state · scope: state:AR
Open detail →
Arkansas State Parks & Heritage Trails — Scenic Adjacency (Mount Magazine, Pinnacle Mountain, Crooked Creek) 2 fields
Effective
1937-01-01
Authority
state · scope: state:AR
Open detail →
Mississippi Alluvial Plain — Federal Flood-Control & Levee District Overlay (East AR) 2 fields
Effective
1928-05-15
Authority
federal_via_state · scope: state:AR
Open detail →
Ozark-St. Francis & Ouachita National Forests — USFS Adjacency 2 fields
Effective
1907-12-18
Authority
federal_via_state · scope: state:AR
Open detail →
Hot Springs National Park — Urban-Embedded Federal Boundary (Garland County) 2 fields
Effective
1832-04-20
Authority
federal_via_state · scope: state:AR
Open detail →
Arizona · overlay roll-up · codes · 5 laws
Arizona HB 2720 — Middle Housing By-Right in Single-Family Zones 6 fields
Effective
2024-04-16
Authority
state · scope: state:AZ
Open detail →
Arizona HB 2297 — Accessory Dwelling Units By-Right 4 fields
Effective
2024-04-16
Authority
state · scope: state:AZ
Open detail →
Arizona HB 2721 — Minimum Lot Size Reductions 2 fields
Effective
2024-04-16
Authority
state · scope: state:AZ
Open detail →
Arizona HB 2110 — Commercial-to-Residential Adaptive Reuse 3 fields
Effective
2024-04-16
Authority
state · scope: state:AZ
Open detail →
Arizona Proposition 207 — Private Property Rights Protection Act 0 fields
Effective
2006-12-07
Authority
state · scope: state:AZ
Open detail →
California · overlay roll-up · codes · 8 laws
California SB 423 — Streamlined Multifamily Approval 2 fields
Effective
2024-01-01 → 2036-12-31
Authority
state · scope: state:CA
Open detail →
California AB 2011 — Affordable Housing and High Road Jobs Act 2 fields
Effective
2023-07-01
Authority
state · scope: state:CA
Open detail →
California AB 2097 — Parking Mandate Elimination Near Transit 1 field
Effective
2023-01-01
Authority
state · scope: state:CA
Open detail →
California SB 9 — Housing Opportunity and More Efficiency (HOME) Act 4 fields
Effective
2022-01-01
Authority
state · scope: state:CA
Open detail →
California SB 10 — Local Upzoning Authorization 0 fields
Effective
2021-01-01
Authority
state · scope: state:CA
Open detail →
California ADU / JADU By-Right 4 fields
Effective
2020-01-01
Authority
state · scope: state:CA
Open detail →
California Builder's Remedy 5 fields
Effective
1990-01-01
Authority
state · scope: state:CA
Open detail →
California Density Bonus Law 3 fields
Effective
1979-01-01
Authority
state · scope: state:CA
Open detail →
Colorado · overlay roll-up · codes · 5 laws
Colorado SB 24-174 — Strategic Growth and Housing Needs Planning 1 field
Effective
2024-05-30
Authority
state · scope: state:CO
Open detail →
Colorado HB 24-1152 — Accessory Dwelling Units By-Right 3 fields
Effective
2024-05-13
Authority
state · scope: state:CO
Open detail →
Colorado HB 24-1313 — Transit-Oriented Communities Density Requirements 4 fields
Effective
2024-05-13
Authority
state · scope: state:CO
Open detail →
Colorado HB 24-1304 — Minimum Parking Requirements and Lot Size Caps 3 fields
Effective
2024-05-13
Authority
state · scope: state:CO
Open detail →
Colorado HOA Preemption — ADU and Housing Restrictions 1 field
Effective
2024-05-13
Authority
state · scope: state:CO
Open detail →
Connecticut · overlay roll-up · codes · 4 laws
Connecticut Public Act 21-29 — Fair Share Housing Framework 1 field
Effective
2021-06-10
Authority
state · scope: state:CT
Open detail →
Connecticut Public Act 17-170 — Accessory Dwelling Unit Framework 1 field
Effective
2017-10-01
Authority
state · scope: state:CT
Open detail →
Connecticut §8-30g — Affordable Housing Land Use Appeals Procedure 6 fields
Effective
1990-01-01
Authority
state · scope: state:CT
Open detail →
Connecticut §8-2 — Home Rule Zoning Enabling Framework 2 fields
Effective
1925-01-01
Authority
state · scope: state:CT
Open detail →
District of Columbia · overlay roll-up · codes · 12 laws
NCPC Submission Guidelines — tightened federal review staging (in force 2026-01-08) 2 fields
Effective
2026-01-08
Authority
federal · scope: state:DC
Open detail →
New York Avenue (NYE) text/map amendments — fixed 8% IZ set-aside 2 fields
Effective
2024-09-12
Authority
district · scope: state:DC
Open detail →
Comprehensive Plan Amendment Act of 2021 — District Elements + NCPC Federal Elements 3 fields
Effective
2021-08-21
Authority
hybrid · scope: state:DC
Open detail →
DC Inclusionary Zoning Plus — deeper affordability overlay 2 fields
Effective
2019-01-01
Authority
district · scope: state:DC
Open detail →
ZR 2016 — Zoning Regulations of 2016 (11 DCMR) 3 fields
Effective
2016-09-06
Authority
district · scope: state:DC
Open detail →
DC Inclusionary Zoning — mandatory citywide IZ (ZR 2016 Subtitle C Ch. 10) 5 fields
Effective
2006-03-14
Authority
district · scope: state:DC
Open detail →
DC Home Rule Act of 1973 — Congressional review & §602(a) reserved matters 3 fields
Effective
1973-12-24
Authority
federal · scope: state:DC
Open detail →
NCPC — federal review of DC projects affecting federal interest 3 fields
Effective
1952-07-19
Authority
federal · scope: state:DC
Open detail →
DC Zoning Enabling Act — Zoning Commission jurisdiction and federal-appointee structure 3 fields
Effective
1938-06-20
Authority
hybrid · scope: state:DC
Open detail →
Height of Buildings Act of 1910 — federal citywide height ceiling 5 fields
Effective
1910-06-01
Authority
federal · scope: state:DC
Open detail →
RA-1 Text Amendment — missing-middle expansion in lowest-density apartment zone (PENDING) 1 field
Effective
—
Authority
district · scope: state:DC
Open detail →
DC 2050 — Comprehensive Plan full rewrite (PENDING; Council vote target 2027) 2 fields
Effective
—
Authority
hybrid · scope: state:DC
Open detail →
Delaware · overlay roll-up · codes · 7 laws
Delaware 25 Del. C. Chapter 70 — Manufactured Housing Act (Tenure, Not Siting) 1 field
Effective
2013-06-30
Authority
state · scope: state:DE
Open detail →
Delaware Coastal Zone Act — Heavy Industry Prohibition 3 fields
Effective
1971-06-28
Authority
state · scope: state:DE
Open detail →
Delaware 9 Del. C. Chapter 49 — Sussex County Zoning 1 field
Effective
1969-07-09
Authority
state · scope: state:DE
Open detail →
Delaware 9 Del. C. Chapter 69 — Kent County Zoning 1 field
Effective
1968-07-01
Authority
state · scope: state:DE
Open detail →
Delaware 9 Del. C. Chapter 26 — New Castle County Zoning 2 fields
Effective
1965-07-13
Authority
state · scope: state:DE
Open detail →
Delaware 22 Del. C. Chapter 8 — Municipal Home Rule Act (Wilmington) 1 field
Effective
1965-01-01
Authority
state · scope: state:DE
Open detail →
Delaware 22 Del. C. Chapter 3 — Municipal Zoning Enabling Act 4 fields
Effective
1953-01-01
Authority
state · scope: state:DE
Open detail →
Florida · overlay roll-up · codes · 9 laws
Florida Live Local Act — 2024 Amendments (SB 328) 6 fields
Effective
2024-07-01
Authority
state · scope: state:FL
Open detail →
Florida Live Local Act — SB 102 (2023) 10 fields
Effective
2023-07-01
Authority
state · scope: state:FL
Open detail →
Florida HB 1339 — Preemption for SAIL/SHIP-Funded Affordable Housing 2 fields
Effective
2020-07-01
Authority
state · scope: state:FL
Open detail →
Florida Coastal High Hazard Area (CHHA) — Ch. 163.3178 2 fields
Effective
2011-06-02
Authority
state · scope: state:FL
Open detail →
Florida Short-Term Rental Preemption — Ch. 509.032 2 fields
Effective
2011-06-01
Authority
state · scope: state:FL
Open detail →
Florida Building Code Preemption — §553.73 1 field
Effective
2002-03-01
Authority
state · scope: state:FL
Open detail →
Florida Bert J. Harris, Jr. Private Property Rights Protection Act — §70.001 1 field
Effective
1995-05-18
Authority
state · scope: state:FL
Open detail →
Florida Comprehensive Plan Consistency — Ch. 163.3180 1 field
Effective
1985-10-01
Authority
state · scope: state:FL
Open detail →
Florida Coastal Construction Control Line (CCCL) — Ch. 161 3 fields
Effective
1978-06-30
Authority
state · scope: state:FL
Open detail →
Georgia · overlay roll-up · codes · 30 laws
Georgia Short-Term Rentals — No State Preemption 0 fields
Effective
2026-04-18
Authority
state · scope: state:GA
Open detail →
Georgia Density / ADU / Design Review — No State Preemption 0 fields
Effective
2026-04-18
Authority
state · scope: state:GA
Open detail →
Georgia Tree Canopy / Tree Ordinance — No Statewide Preemption 0 fields
Effective
2026-04-18
Authority
state · scope: state:GA
Open detail →
Georgia Military Installation & Airport Compatible-Use Zoning Review 3 fields
Effective
2005-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Local Hazard Mitigation Plan — FEMA Stafford Act §322 Compliance 4 fields
Effective
2000-10-30
Authority
state_federal_joint · scope: state:GA
Open detail →
Georgia Service Delivery Strategy Act (HB 489) — Intergovernmental Coordination Mandate 3 fields
Effective
1997-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Groundwater Recharge Area Protection — DCA Part V Environmental Planning Criteria 3 fields
Effective
1992-03-01
Authority
state · scope: state:GA
Open detail →
Georgia Wetlands Protection — DCA Part V Environmental Planning Criteria 3 fields
Effective
1992-03-01
Authority
state · scope: state:GA
Open detail →
Georgia Water Supply Watershed Protection — DCA Part V Environmental Planning Criteria 4 fields
Effective
1992-03-01
Authority
state · scope: state:GA
Open detail →
Georgia Conservation Use Valuation Assessment (CUVA) — Rezoning Constraint 2 fields
Effective
1992-01-01
Authority
state · scope: state:GA
Open detail →
Georgia Mountain & River Corridor Protection — DNR Minimum Planning Standards 3 fields
Effective
1991-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Development of Regional Impact (DRI) Review Threshold 2 fields
Effective
1989-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Planning Act — Comprehensive Plan & Qualified Local Government Status 4 fields
Effective
1989-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Redevelopment Powers Law — Tax Allocation Districts (TADs) 2 fields
Effective
1985-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Zoning Procedures Law (ZPL) 7 fields
Effective
1985-01-01
Authority
state · scope: state:GA
Open detail →
Georgia Rent Control Preemption (constrains mandatory inclusionary zoning) 2 fields
Effective
1984-01-01
Authority
state · scope: state:GA
Open detail →
Georgia Constitutional Home Rule for Planning and Zoning 1 field
Effective
1983-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Manufactured Home Act — Construction Standards Preemption 2 fields
Effective
1982-01-01
Authority
state · scope: state:GA
Open detail →
Georgia Historic Preservation Act — Local Authority Enabling 3 fields
Effective
1980-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Agricultural Areas & Right-to-Farm — Local Nuisance and Zoning Limits 3 fields
Effective
1980-04-01
Authority
state · scope: state:GA
Open detail →
Georgia Shore Protection Act — Dynamic Dune Field and Sand-Sharing System 3 fields
Effective
1979-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Erosion and Sedimentation Act — Stream Buffer Preemption 2 fields
Effective
1975-04-01
Authority
state · scope: state:GA
Open detail →
Georgia State Truck Route Network — Local Heavy-Truck Restriction Limits 3 fields
Effective
1973-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Metropolitan River Protection Act — Chattahoochee River Corridor 3 fields
Effective
1973-04-01
Authority
state · scope: state:GA
Open detail →
Georgia Coastal Marshlands Protection Act 2 fields
Effective
1970-04-01
Authority
state · scope: state:GA
Open detail →
Georgia Flood Damage Prevention — NFIP Participation & DNR Model Ordinance 3 fields
Effective
1968-08-01
Authority
state_federal_joint · scope: state:GA
Open detail →
Georgia Transit-Oriented Development — MARTA and Atlanta Streetcar Authority 2 fields
Effective
1965-07-01
Authority
state · scope: state:GA
Open detail →
Georgia Airport / Military Installation Federal Overlay Conflict Check 2 fields
Effective
1958-01-01
Authority
state · scope: state:GA
Open detail →
Georgia Airport Zoning Act — Local Adoption of Airport Hazard Zoning 4 fields
Effective
1957-01-01
Authority
state · scope: state:GA
Open detail →
Georgia Urban Redevelopment Law — Opportunity Zones 2 fields
Effective
1955-01-01
Authority
state · scope: state:GA
Open detail →
Hawaii · overlay roll-up · codes · 11 laws
Hawaii Act 39 (SLH 2024) — Statewide ADU Mandate 5 fields
Effective
2024-07-02
Authority
state · scope: state:HI
Open detail →
Maui County Bill 9 (2024) — Apartment District STR Phase-Out (Minatoya List) 1 field
Effective
2024-07-01
Authority
county · scope: state:HI
Open detail →
Gov. Green Affordable Housing Emergency Proclamation (Continuing Series, 2023-2026) 2 fields
Effective
2023-07-17
Authority
state · scope: state:HI
Open detail →
Honolulu Ord. 22-7 — Short-Term Rental 90-Day Floor (City & County of Honolulu) 2 fields
Effective
2022-10-23
Authority
county · scope: state:HI
Open detail →
Hawaii Native Hawaiian Traditional & Customary Rights (Hawaii Const. Art. XII §7) 2 fields
Effective
1978-11-07
Authority
state · scope: state:HI
Open detail →
Hawaii Coastal Zone Management — Special Management Area (HRS Ch. 205A) 3 fields
Effective
1977-06-16
Authority
state · scope: state:HI
Open detail →
Hawaii HRS Chapter 343 — State Environmental Review (HEPA) 2 fields
Effective
1974-05-30
Authority
state · scope: state:HI
Open detail →
Hawaii HRS Chapter 205 — State Land Use Districts (LUC Classification) 3 fields
Effective
1961-07-11
Authority
state · scope: state:HI
Open detail →
Hawaii Conservation District — DLNR Exclusive Jurisdiction (HAR 13-5) 3 fields
Effective
1961-07-11
Authority
state · scope: state:HI
Open detail →
Hawaii Agricultural District — §205-4.5 Use Limits and §205-6 Special Use Permits 3 fields
Effective
1961-07-11
Authority
state · scope: state:HI
Open detail →
Hawaii HRS §46-4 — County Zoning Authority (Within State Districts) 3 fields
Effective
1957-01-01
Authority
state · scope: state:HI
Open detail →
Iowa · overlay roll-up · codes · 15 laws
Iowa SF 592 (2025) — Statewide Accessory Dwelling Unit By-Right Mandate 4 fields
Effective
2025-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code §414.1(2) — Short-Term Rental Preemption (Residential Use Classification) 3 fields
Effective
2020-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code §459.310 — Master Matrix CAFO Siting Scorecard 2 fields
Effective
2002-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code Ch. 161D — Loess Hills Development and Conservation Authority + Alliance 2 fields
Effective
1999-03-15
Authority
state · scope: state:IA
Open detail →
Iowa Code §414.28 / §335.30 — Manufactured Home Zoning Parity Mandate 4 fields
Effective
1986-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code Ch. 303 — State Historical Society / SHPO Review + Local Historic Preservation Commissions 2 fields
Effective
1986-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code §352.6 — Agricultural Area Designation + Right-to-Farm Nuisance Protection 2 fields
Effective
1982-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code Ch. 455B + 567 IAC 71 — Floodplain Development Approval (DNR Flood Plain Program) 2 fields
Effective
1972-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code Ch. 461A + 571 IAC 13 — Sovereign Lands Construction Permits 2 fields
Effective
1971-01-01
Authority
state · scope: state:IA
Open detail →
Iowa Code Ch. 403 — Urban Renewal Law / Tax Increment Financing 3 fields
Effective
1957-07-01
Authority
state · scope: state:IA
Open detail →
Effigy Mounds National Monument — Federal Adjacency Consultation Overlay (Allamakee + Clayton Counties) 2 fields
Effective
1949-10-25
Authority
state · scope: state:IA
Open detail →
Iowa Code Chapter 335 — County Zoning Enabling Act + §335.2 Agricultural Exemption 3 fields
Effective
1947-01-01
Authority
state · scope: state:IA
Open detail →
Iowa Code Ch. 329 — Airport Zoning / Airport Hazard Area Regulation 2 fields
Effective
1945-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code Ch. 161A — Soil and Water Conservation Districts (Soil Loss Limits + Cost-Share) 3 fields
Effective
1939-07-01
Authority
state · scope: state:IA
Open detail →
Iowa Code Chapter 414 — City Zoning Enabling Act 2 fields
Effective
1924-01-01
Authority
state · scope: state:IA
Open detail →
Idaho · overlay roll-up · codes · 10 laws
Idaho SB 1354 — ADU By-Right (Cities ≥10,000) 5 fields
Effective
2026-07-01
Authority
state · scope: state:ID
Open detail →
Idaho SB 1352 — Starter-Home Subdivisions (Cities ≥10,000) 4 fields
Effective
2026-07-01
Authority
state · scope: state:ID
Open detail →
Idaho HB 707 — Administrative Lot Splits (Cities ≥10,000) 2 fields
Effective
2026-07-01
Authority
state · scope: state:ID
Open detail →
Idaho HB 706 — Single-Stair Building Option (City Opt-In) 4 fields
Effective
2026-07-01
Authority
state · scope: state:ID
Open detail →
Idaho HB 585 — Permit Inspection Shot-Clock (Statewide) 2 fields
Effective
2026-07-01
Authority
state · scope: state:ID
Open detail →
Idaho Dillon's Rule — Inclusionary Zoning Mandates Ultra Vires (Mountain Central v. McCall, 2021) 2 fields
Effective
2021-08-04
Authority
state · scope: state:ID
Open detail →
Idaho §67-6539 — Short-Term Rental Preemption (HB 216, 2017; HB 583, 2026) 11 fields
Effective
2017-07-01
Authority
state · scope: state:ID
Open detail →
Idaho §67-6509A — Manufactured Housing Parity (extended by HB 800, 2026) 6 fields
Effective
1992-07-01
Authority
state · scope: state:ID
Open detail →
Idaho Development Impact Fee Act (I.C. §67-8201 et seq.) 4 fields
Effective
1992-07-01
Authority
state · scope: state:ID
Open detail →
Idaho LLUPA — Local Land Use Planning Act Framework 8 fields
Effective
1975-07-01
Authority
state · scope: state:ID
Open detail →
Illinois · overlay roll-up · codes · 20 laws
Illinois Connected Communities Act (HB 4083 / SB 2352) — Pending 0 fields
Effective
2026-01-01
Authority
state · scope: state:IL
Open detail →
Illinois STR Statewide Registry (HB 3713) — Pending 0 fields
Effective
2026-01-01
Authority
state · scope: state:IL
Open detail →
Illinois Commercial Wind Facility Zoning Preemption (PA 102-1123) 5 fields
Effective
2023-01-27
Authority
state · scope: state:IL
Open detail →
Illinois Commercial Solar Facility Zoning Preemption (PA 102-1123) 4 fields
Effective
2023-01-27
Authority
state · scope: state:IL
Open detail →
Illinois Hotel Operators' Occupation Tax — Short-Term Rental Reach 1 field
Effective
2017-01-01
Authority
state · scope: state:IL
Open detail →
Illinois Affordable Housing Planning and Appeal Act 2 fields
Effective
2004-01-01
Authority
state · scope: state:IL
Open detail →
Illinois Property Tax Code — Class L Landmark Rehabilitation Incentive 1 field
Effective
1995-01-01
Authority
state · scope: state:IL
Open detail →
Illinois Manufactured Housing Anti-Exclusion 1 field
Effective
1989-01-01
Authority
state · scope: state:IL
Open detail →
Illinois Accessibility Code 1 field
Effective
1988-09-23
Authority
state · scope: state:IL
Open detail →
Illinois Tax Increment Allocation Redevelopment Act 2 fields
Effective
1977-01-01
Authority
state · scope: state:IL
Open detail →
Illinois Constitution Art. VII §6 — Home Rule Doctrine 1 field
Effective
1971-07-01
Authority
state · scope: state:IL
Open detail →
Illinois Mobile Home Park State Licensing Floor 2 fields
Effective
1971-07-01
Authority
state · scope: state:IL
Open detail →
Chicago Home-Rule Zoning Authority (MCC Title 17) 4 fields
Effective
1971-07-01
Authority
state · scope: state:IL
Open detail →
Illinois Environmental Protection Act — Pollution-Control Land Use 2 fields
Effective
1970-07-01
Authority
state · scope: state:IL
Open detail →
Illinois Municipal Code — Municipal Zoning Enabling Act 2 fields
Effective
1961-07-01
Authority
state · scope: state:IL
Open detail →
Illinois County Zoning Enabling Act 2 fields
Effective
1961-07-01
Authority
state · scope: state:IL
Open detail →
Illinois Nonconforming Use Continuation 1 field
Effective
1961-07-01
Authority
state · scope: state:IL
Open detail →
Illinois Municipal Landmark Designation Enabling Act 1 field
Effective
1961-07-01
Authority
state · scope: state:IL
Open detail →
Illinois Mechanics Lien Act 1 field
Effective
1903-07-01
Authority
state · scope: state:IL
Open detail →
Illinois Plat Act — Subdivision Recording 1 field
Effective
1874-01-01
Authority
state · scope: state:IL
Open detail →
Indiana · overlay roll-up · codes · 21 laws
Indiana HB 1001 (2026) — Statewide Housing-and-Zoning Reform (Default By-Right with Annual Local Opt-Out) 7 fields
Effective
2026-07-01
Authority
state · scope: state:IN
Open detail →
Indiana HEA 1210 (2025) — Strengthened STR Preemption / No Numeric Rental Caps 2 fields
Effective
2026-07-01
Authority
state · scope: state:IN
Open detail →
Indiana HEA 1005 (2025) — RIF Loan Priority Conditioned on Pro-Housing Land-Use Policies 2 fields
Effective
2025-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 5-1.2-15.5 — Residential Housing Infrastructure Assistance Program (RHIAP / RIF, created by HEA 1005 of 2023) 2 fields
Effective
2023-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 32-31-1-20 — Rent Control & Mandatory Inclusionary Zoning Preemption 3 fields
Effective
2020-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 36-1-24 — Short-Term Rental Preemption (Owner-Occupied as Permitted Residential Use) 4 fields
Effective
2018-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 13-19 — Environmental Management Generally / IFA Brownfields Program 2 fields
Effective
2005-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 13-18-22 — State Regulated Wetlands Permit (IDEM) 2 fields
Effective
2004-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Lake Michigan Coastal Program — NOAA-Networked Coastal Zone 1 field
Effective
2002-08-05
Authority
state · scope: state:IN
Open detail →
Indiana 327 IAC 8-4.1 — Wellhead Protection Area Program (IDEM) 2 fields
Effective
1997-12-12
Authority
state · scope: state:IN
Open detail →
Indiana Code 14-28 — Floodway / Flood Control Construction Permits (IDNR Division of Water) 3 fields
Effective
1995-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 14-21-1 — Historic Preservation & Archaeology Review (DHPA) 3 fields
Effective
1995-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 8-21-10 — Regulation of Tall Structures (Airport Hazard Permit) 3 fields
Effective
1985-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 36-7-14 — Redevelopment Commission / TIF Allocation Area Framework 3 fields
Effective
1983-07-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 36-7-4 — Local Planning and Zoning Enabling Act (the "600 Series" framework, including the 1000 Series enforcement chapter) 2 fields
Effective
1981-09-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 36-7-15.1 — Marion County (Indianapolis-Unigov) Redevelopment & TIF 2 fields
Effective
1981-09-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 36-7-4-1106 — Manufactured Housing Anti-Exclusion 3 fields
Effective
1981-01-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 32-30-6-9 — Right to Farm Act (Agricultural / Industrial Operations Nuisance Defense) 3 fields
Effective
1981-01-01
Authority
state · scope: state:IN
Open detail →
Indiana Code 36-3 — Indianapolis-Marion Consolidated City (Unigov) Governance Framework 3 fields
Effective
1970-01-01
Authority
state · scope: state:IN
Open detail →
Indiana Dunes National Park / Indiana Dunes State Park — Boundary Interface Overlay 1 field
Effective
1966-11-05
Authority
state · scope: state:IN
Open detail →
Indiana Reservoir & State Park Interface — Salamonie / Mississinewa / J.E. Roush Upper Wabash Valley (USACE + IDNR) 1 field
Effective
1966-01-01
Authority
state · scope: state:IN
Open detail →
Kansas · overlay roll-up · codes · 15 laws
K.S.A. 12-769 through 12-775 — Military Installation Compatibility (Joint Land Use / AICUZ Zoning) 3 fields
Effective
2008-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 65-34,161 et seq. — Kansas Brownfields & Voluntary Cleanup Program 2 fields
Effective
1997-07-01
Authority
state · scope: state:KS
Open detail →
Tallgrass Prairie National Preserve & Flint Hills Physiographic Region — Federal & Cultural Landscape Overlay 2 fields
Effective
1996-11-12
Authority
federal · scope: state:KS
Open detail →
K.S.A. 65-171d — Concentrated Animal Feeding Operation (CAFO) Regulation 2 fields
Effective
1994-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 12-741 et seq. — Municipal Planning and Zoning Enabling Act 4 fields
Effective
1991-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 12-758(h) — Manufactured Housing Non-Exclusion 2 fields
Effective
1991-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 12-766 / 12-767 / 12-768 — Municipal & County Floodplain Management 3 fields
Effective
1979-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 75-2715 et seq. — Kansas Historic Preservation Act (KHS / SHPO review) 2 fields
Effective
1977-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 12-1770 et seq. — STAR Bonds & Tax Increment Financing 2 fields
Effective
1976-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 3-301 through 3-322 — Airport Hazard Zoning (FAA Part 77 conformance) 3 fields
Effective
1965-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 12-1740 et seq. — Industrial Revenue Bonds (IRB) 2 fields
Effective
1961-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 19-2901 et seq. — County Planning and Zoning Enabling Act (incl. 19-2914 amendment procedure) 3 fields
Effective
1939-07-01
Authority
state · scope: state:KS
Open detail →
K.S.A. 19-2921 — County Agricultural-Use Exemption 2 fields
Effective
1939-07-01
Authority
state · scope: state:KS
Open detail →
Tribal Trust & Reservation Lands — Federal Jurisdiction Overlay 2 fields
Effective
1934-06-18
Authority
federal · scope: state:KS
Open detail →
K.S.A. 82a-901 et seq. — Public Waters / Wetlands & Stream Obstruction (KDAW-DWR) 2 fields
Effective
1929-07-01
Authority
state · scope: state:KS
Open detail →
Kentucky · overlay roll-up · codes · 22 laws
2024 HB 443 — Objective-Standards / Ministerial-Application Mandate 3 fields
Effective
2025-07-01
Authority
state · scope: state:KY
Open detail →
KRS 65.490 et seq. — Tax Increment Financing (Local Development Areas) 2 fields
Effective
2007-06-26
Authority
state · scope: state:KY
Open detail →
KRS 67C / Ky. Const. §156a — Louisville Metro Consolidated Local Government 2 fields
Effective
2003-01-06
Authority
state · scope: state:KY
Open detail →
KRS Chapter 224A / 224.01-400 — Brownfield Voluntary Environmental Remediation 2 fields
Effective
1991-07-13
Authority
state · scope: state:KY
Open detail →
KRS 100.348 — Manufactured Housing Anti-Exclusion & Parity (2025 HB 160) 3 fields
Effective
1988-01-01
Authority
state · scope: state:KY
Open detail →
KRS Chapter 350 / SMCRA — Surface Coal Mining Regulation & Mountaintop Removal 3 fields
Effective
1977-08-03
Authority
state · scope: state:KY
Open detail →
Office of Kentucky Nature Preserves (OKNP) — Designated Nature Preserves & T&E Habitat 2 fields
Effective
1976-06-19
Authority
state · scope: state:KY
Open detail →
KRS 146.200 et seq. — Kentucky Wild Rivers System 2 fields
Effective
1972-06-16
Authority
state · scope: state:KY
Open detail →
KRS 224.71 et seq. — Wetlands & Waters of the Commonwealth (KPDES §401 Certification) 2 fields
Effective
1972-01-01
Authority
state · scope: state:KY
Open detail →
KRS 171.380 et seq. — State Historic Preservation & §106 Review 2 fields
Effective
1966-10-15
Authority
state · scope: state:KY
Open detail →
KRS Chapter 151 — Floodplain Construction & Stream Alteration Permits 2 fields
Effective
1966-06-15
Authority
state · scope: state:KY
Open detail →
KRS Chapter 100 — Kentucky Planning and Zoning Enabling Act 5 fields
Effective
1966-01-01
Authority
state · scope: state:KY
Open detail →
KRS 100.193 / 100.201 — City and County Zoning Authority & Statutory Purposes 3 fields
Effective
1966-01-01
Authority
state · scope: state:KY
Open detail →
Land Between the Lakes National Recreation Area — USFS / TVA Boundary 2 fields
Effective
1963-01-01
Authority
federal_via_state · scope: state:KY
Open detail →
Bluegrass Horse-Farm & Agricultural Preservation — LFUCG Rural Service Area & PDR 3 fields
Effective
1958-01-01
Authority
local_state_layered · scope: state:KY
Open detail →
KRS 183.861 et seq. — Airport Hazard Area & Airport Zoning 2 fields
Effective
1946-01-01
Authority
state · scope: state:KY
Open detail →
Mammoth Cave National Park — Federal Adjacency & Karst-Hydrology Watershed 2 fields
Effective
1941-07-01
Authority
federal_via_state · scope: state:KY
Open detail →
Fort Knox / Fort Campbell / Blue Grass Army Depot — Military Installation Influence 3 fields
Effective
1940-07-01
Authority
federal_via_state · scope: state:KY
Open detail →
Cumberland Gap National Historical Park — Federal Adjacency (Bell County) 2 fields
Effective
1940-06-11
Authority
federal_via_state · scope: state:KY
Open detail →
Daniel Boone National Forest — USFS Adjacency (Eastern KY) 2 fields
Effective
1937-02-23
Authority
federal_via_state · scope: state:KY
Open detail →
Bourbon Distillery Overlay — Licensure, ATF/TTB Federal Concurrence, Local Distillery Districts 3 fields
Effective
1933-12-05
Authority
state_federal_layered · scope: state:KY
Open detail →
Ohio River Corridor — ORSANCO, USACE Navigation Servitude & Federal Levee Authority 3 fields
Effective
1899-03-03
Authority
federal_via_state · scope: state:KY
Open detail →
Louisiana · overlay roll-up · codes · 14 laws
Mississippi River Industrial Corridor + Atchafalaya Basin — Informational Overlay 0 fields
Effective
2026-05-18
Authority
state · scope: state:LA
Open detail →
Coastal Protection and Restoration Authority (CPRA) — Coastal Master Plan 2 fields
Effective
2006-12-01
Authority
state · scope: state:LA
Open detail →
Louisiana Voluntary Remediation Program (VRP) / Brownfields — La. R.S. 30:2271 et seq. 2 fields
Effective
1995-07-01
Authority
state · scope: state:LA
Open detail →
Tax Increment Financing & Economic Development Districts — La. R.S. 33:9038 et seq. 1 field
Effective
1988-07-01
Authority
state · scope: state:LA
Open detail →
Louisiana State and Local Coastal Resources Management Act (SLCRMA) — Coastal Use Permits 3 fields
Effective
1978-09-08
Authority
state · scope: state:LA
Open detail →
Louisiana Constitutional Home Rule — Art. VI §§4–5 2 fields
Effective
1975-01-01
Authority
state · scope: state:LA
Open detail →
Levee Districts and Levee Servitudes — La. Const. Art. VI §38 + La. R.S. Title 38 2 fields
Effective
1975-01-01
Authority
state · scope: state:LA
Open detail →
Louisiana Historic Preservation — National Register Districts + La. R.S. 25:731 et seq. 2 fields
Effective
1974-01-01
Authority
state · scope: state:LA
Open detail →
Industrial Tax Exemption Program (ITEP) — La. Const. Art. VII §21(F) 1 field
Effective
1974-01-01
Authority
state · scope: state:LA
Open detail →
Louisiana Floodplain Management — La. R.S. 38:84 + NFIP Compliance 2 fields
Effective
1973-01-01
Authority
state · scope: state:LA
Open detail →
Louisiana Natural and Scenic Rivers System — La. R.S. 56:1840 et seq. 2 fields
Effective
1970-09-01
Authority
state · scope: state:LA
Open detail →
Louisiana Aviation Hazards Act + Federal Airspace Overlays 2 fields
Effective
1948-07-01
Authority
state · scope: state:LA
Open detail →
Vieux Carré Historic District — La. R.S. 33:4083 + La. Const. Art. XIV §22A 2 fields
Effective
1937-01-01
Authority
state · scope: city:new-orleans-la
Open detail →
Louisiana Municipal Zoning Enabling Act — La. R.S. 33:4721 et seq. 4 fields
Effective
1926-01-01
Authority
state · scope: state:LA
Open detail →
Massachusetts · overlay roll-up · codes · 19 laws
Massachusetts Chapter 40Y — Starter Home Zoning Districts (Opt-In) 0 fields
Effective
2023-04-04
Authority
state · scope: state:MA
Open detail →
Massachusetts MBTA Communities Act — Multi-Family Zoning Requirement (MGL c. 40A §3A) 4 fields
Effective
2021-01-14
Authority
state · scope: state:MA
Open detail →
Massachusetts Chapter 40S — Smart Growth School Cost Reimbursement 0 fields
Effective
2005-11-22
Authority
state · scope: state:MA
Open detail →
Massachusetts Chapter 40R — Smart Growth Zoning Overlay District (Opt-In) 0 fields
Effective
2004-06-30
Authority
state · scope: state:MA
Open detail →
Massachusetts Rivers Protection Act — Riverfront Area (MGL c. 131 §40) 2 fields
Effective
1996-08-07
Authority
state · scope: state:MA
Open detail →
Boston Planning Department (former BPDA) Article 80 Development Review 4 fields
Effective
1996-01-01
Authority
state · scope: city:boston
Open detail →
Massachusetts Outstanding Resource Waters & DCR Watershed Protection 2 fields
Effective
1992-01-01
Authority
state · scope: state:MA
Open detail →
Cape Cod Commission Regional Land Use Authority (St. 1989, c. 716) 2 fields
Effective
1990-01-01
Authority
state · scope: region:cape_cod
Open detail →
Massachusetts Solar PV Siting — DOER Statutory Preference (MGL c. 40A §3 ¶9) 2 fields
Effective
1985-09-30
Authority
state · scope: state:MA
Open detail →
Massachusetts Coastal Zone Management Program (MGL c. 21A §4A) 2 fields
Effective
1978-06-01
Authority
state · scope: state:MA
Open detail →
Massachusetts Designated Port Areas (DPAs) — Chapter 91 Tidelands (MGL c. 91) 2 fields
Effective
1978-01-01
Authority
state · scope: state:MA
Open detail →
Martha's Vineyard Commission Regional Land Use Authority (St. 1977, c. 831) 2 fields
Effective
1977-08-22
Authority
state · scope: region:marthas_vineyard
Open detail →
Massachusetts Chapter 40A — Zoning Enabling Act (Framework) 3 fields
Effective
1975-12-22
Authority
state · scope: state:MA
Open detail →
Massachusetts Affordable Housing Overlay Enabling (MGL c. 40A §9) 0 fields
Effective
1975-12-22
Authority
state · scope: state:MA
Open detail →
Massachusetts Areas of Critical Environmental Concern (ACEC) (MGL c. 21A §2(7)) 2 fields
Effective
1975-01-01
Authority
state · scope: state:MA
Open detail →
Massachusetts Environmental Policy Act (MEPA) — Project Review Thresholds (MGL c. 30 §§61-62I) 3 fields
Effective
1972-12-15
Authority
state · scope: state:MA
Open detail →
Massachusetts Wetlands Protection Act (MGL c. 131 §40) 3 fields
Effective
1972-07-01
Authority
state · scope: state:MA
Open detail →
Massachusetts Chapter 40B — Comprehensive Permit / Low and Moderate Income Housing Act 6 fields
Effective
1969-08-23
Authority
state · scope: state:MA
Open detail →
Massachusetts Historic Districts Act (MGL c. 40C) — Local Historic Districts 2 fields
Effective
1960-08-26
Authority
state · scope: state:MA
Open detail →
Maryland · overlay roll-up · codes · 16 laws
Maryland Land Use Article — Zoning & Planning Enabling Authority 2 fields
Effective
2012-10-01
Authority
state · scope: state:MD
Open detail →
Maryland Historic District Enabling Authority (LU §8-201) 2 fields
Effective
2012-10-01
Authority
state · scope: state:MD
Open detail →
Maryland Military Installation Joint Land Use Studies (LU §22-301) 2 fields
Effective
2008-10-01
Authority
state · scope: state:MD
Open detail →
Atlantic Coastal Bays Critical Area — Worcester County Overlay 2 fields
Effective
2002-10-01
Authority
state · scope: state:MD
Open detail →
Maryland Priority Funding Areas (PFA) — Smart Growth Act 2 fields
Effective
1997-10-01
Authority
state · scope: state:MD
Open detail →
Maryland Rural Legacy Program — Designated Rural Legacy Areas 2 fields
Effective
1997-10-01
Authority
state · scope: state:MD
Open detail →
Maryland Forest Conservation Act (FCA) 2 fields
Effective
1991-07-01
Authority
state · scope: state:MD
Open detail →
Maryland Wetlands of Special State Concern (WSSC) & Nontidal Wetlands 2 fields
Effective
1989-01-01
Authority
state · scope: state:MD
Open detail →
Chesapeake Bay Critical Area Program — IDA / LDA / RCA Overlay 5 fields
Effective
1984-06-01
Authority
state · scope: state:MD
Open detail →
Maryland Transfer of Development Rights (TDR) — Enabling & MoCo/Calvert Programs 2 fields
Effective
1980-10-01
Authority
state · scope: state:MD
Open detail →
Maryland Agricultural Land Preservation Foundation (MALPF) Easement Districts 2 fields
Effective
1977-07-01
Authority
state · scope: state:MD
Open detail →
Maryland Floodplain Management — NFIP Participation & State Standards 3 fields
Effective
1976-01-01
Authority
state · scope: state:MD
Open detail →
Maryland Scenic and Wild Rivers System 2 fields
Effective
1968-07-01
Authority
state · scope: state:MD
Open detail →
Maryland Aviation — BWI Marshall Compatible Use Overlay & Airport Zoning 2 fields
Effective
1958-07-01
Authority
state · scope: state:MD
Open detail →
Maryland-National Capital Park & Planning Commission — Regional District (LU Titles 20-27) 2 fields
Effective
1927-04-29
Authority
state · scope: state:MD
Open detail →
Federal Battlefield Buffers — Antietam, Monocacy, Harpers Ferry Vicinity 2 fields
Effective
1890-08-30
Authority
federal · scope: state:MD
Open detail →
Maine · overlay roll-up · codes · 10 laws
Maine Short-Term Rental Framework — 30-A M.R.S. §4364 (2024 Amendments) 2 fields
Effective
2024-07-01
Authority
state · scope: state:ME
Open detail →
Maine LD 2003 / 30-A M.R.S. §4364 — Statewide ADU Mandate 7 fields
Effective
2023-07-01
Authority
state · scope: state:ME
Open detail →
Maine LD 2003 / 30-A M.R.S. §4364-A — 2-4 Unit Middle Housing Floor 6 fields
Effective
2023-07-01
Authority
state · scope: state:ME
Open detail →
Maine LD 2003 / 30-A M.R.S. §4358 — Affordable Housing 2.5x Density Bonus 3 fields
Effective
2023-07-01
Authority
state · scope: state:ME
Open detail →
Maine 30-A M.R.S. §4358(2) — Manufactured Housing Protection 3 fields
Effective
1991-01-01
Authority
state · scope: state:ME
Open detail →
Maine Growth Management Act — Comprehensive Plan Consistency Requirement 2 fields
Effective
1988-10-01
Authority
state · scope: state:ME
Open detail →
Maine 30-A M.R.S. §4326 — Growth / Rural / Transition Area Tripartite Designation 2 fields
Effective
1988-10-01
Authority
state · scope: state:ME
Open detail →
Maine Mandatory Shoreland Zoning Act — 38 M.R.S. §§435-449 4 fields
Effective
1971-09-23
Authority
state · scope: state:ME
Open detail →
Maine Land Use Planning Commission — Unorganized Territory Zoning Authority 3 fields
Effective
1971-01-01
Authority
state · scope: state:ME
Open detail →
Maine Federal & Tribal Land Carve-outs (Acadia NP, Wild & Scenic, Indian Settlement Act) 3 fields
Effective
1916-08-25
Authority
federal · scope: state:ME
Open detail →
Michigan · overlay roll-up · codes · 21 laws
Michigan Recodified Tax Increment Financing Act — 2018 PA 57 1 field
Effective
2019-01-01
Authority
state · scope: state:MI
Open detail →
Detroit Transit-Oriented Corridor — People Mover + QLINE 2 fields
Effective
2019-01-01
Authority
local · scope: city:Detroit
Open detail →
Michigan Regulation and Taxation of Marihuana Act (MRTMA) — Local Opt-Out & Establishment Siting 4 fields
Effective
2018-12-06
Authority
state · scope: state:MI
Open detail →
Detroit Land Bank Authority — Tax-Foreclosed Property Disposition & Blight Programs 4 fields
Effective
2008-07-15
Authority
local · scope: city:Detroit
Open detail →
Michigan Zoning Enabling Act (MZEA) — Unified Zoning Authority 3 fields
Effective
2006-07-01
Authority
state · scope: state:MI
Open detail →
Michigan MCL 125.3207 — Moratoria Duration & Renewal Limits 2 fields
Effective
2006-07-01
Authority
state · scope: state:MI
Open detail →
Michigan Renaissance Zone Act — 1996 PA 376 1 field
Effective
1996-12-26
Authority
state · scope: state:MI
Open detail →
Michigan Brownfield Redevelopment Financing Act — 1996 PA 381 1 field
Effective
1996-07-24
Authority
state · scope: state:MI
Open detail →
Michigan Inland Lakes and Streams Act — NREPA Part 301 2 fields
Effective
1995-03-30
Authority
state · scope: state:MI
Open detail →
Michigan Wetlands Protection Act — NREPA Part 303 2 fields
Effective
1995-03-30
Authority
state · scope: state:MI
Open detail →
Michigan High Risk Erosion Areas & Shorelands Protection — NREPA Part 323 2 fields
Effective
1995-03-30
Authority
state · scope: state:MI
Open detail →
Michigan Sand Dunes Protection & Management — NREPA Part 353 (Critical Dunes) 3 fields
Effective
1995-03-30
Authority
state · scope: state:MI
Open detail →
Michigan Sand Dune Mining Reclamation — NREPA Part 637 1 field
Effective
1995-03-30
Authority
state · scope: state:MI
Open detail →
Michigan Great Lakes Submerged Lands — NREPA Part 325 1 field
Effective
1995-03-30
Authority
state · scope: state:MI
Open detail →
Michigan Floodplain Regulatory Authority — NREPA Part 31 2 fields
Effective
1995-03-30
Authority
state · scope: state:MI
Open detail →
Michigan Soil Erosion & Sedimentation Control — NREPA Part 91 1 field
Effective
1995-03-30
Authority
state · scope: state:MI
Open detail →
Michigan Heritage Route Program — 1993 PA 69 (Indian Trail / Pure Michigan Byways) 1 field
Effective
1993-08-23
Authority
state · scope: state:MI
Open detail →
Michigan MCL 125.3205 — Prohibition on Mandatory Inclusionary Zoning 2 fields
Effective
1988-01-01
Authority
state · scope: state:MI
Open detail →
Michigan Right to Farm Act — 1981 PA 93 (GAAMP Preemption) 3 fields
Effective
1981-07-11
Authority
state · scope: state:MI
Open detail →
Selfridge Air National Guard Base — AICUZ Compatible Use Zones 3 fields
Effective
1980-01-01
Authority
federal · scope: state:MI
Open detail →
Michigan Local Historic Districts Act — 1970 PA 169 2 fields
Effective
1970-07-27
Authority
state · scope: state:MI
Open detail →
Minnesota · overlay roll-up · codes · 19 laws
Sustainable Forest Incentive Act (SFIA) — Minn. Stat. Ch. 290C 2 fields
Effective
2001-05-30
Authority
state · scope: state:MN
Open detail →
Minnesota Wetland Conservation Act — Minn. Stat. § 103G.221 et seq. 2 fields
Effective
1991-07-01
Authority
state · scope: state:MN
Open detail →
Minnesota Public Waters Inventory — Minn. Stat. § 103G.005 2 fields
Effective
1990-04-26
Authority
state · scope: state:MN
Open detail →
Minnesota Shoreland Management — Minn. Stat. § 103F.201 et seq. 3 fields
Effective
1989-05-26
Authority
state · scope: state:MN
Open detail →
Minneapolis–Saint Paul International Airport (MSP) Noise / DNL 65–70+ Contours 2 fields
Effective
1985-01-01
Authority
federal · scope: state:MN
Open detail →
Metropolitan Agricultural Preserves — Minn. Stat. Ch. 473H 2 fields
Effective
1980-04-25
Authority
state · scope: state:MN
Open detail →
Mississippi River Corridor Critical Area (MRCCA) — Minn. Stat. § 116G.15 3 fields
Effective
1979-12-13
Authority
state · scope: state:MN
Open detail →
Boundary Waters Canoe Area Wilderness — Mining Protection Area Buffer 2 fields
Effective
1978-10-21
Authority
federal · scope: state:MN
Open detail →
Metropolitan Land Planning Act — MUSA & Regional Comp-Plan Conformity (Minn. Stat. §§ 473.851–473.871) 3 fields
Effective
1976-04-12
Authority
state · scope: state:MN
Open detail →
Minnesota Wild and Scenic Rivers — Minn. Stat. § 103F.301 et seq. 2 fields
Effective
1973-05-24
Authority
state · scope: state:MN
Open detail →
Voyageurs National Park / Isle Royale National Park — Adjacency Coordination 1 field
Effective
1971-04-08
Authority
federal · scope: state:MN
Open detail →
Minnesota Mineland Reclamation — Minn. Stat. § 93.44 et seq. 2 fields
Effective
1969-05-26
Authority
state · scope: state:MN
Open detail →
Minnesota Floodplain Management — Minn. Stat. § 103F.111 et seq. 3 fields
Effective
1969-05-24
Authority
state · scope: state:MN
Open detail →
Minnesota Municipal Planning Act — Chapter 462 4 fields
Effective
1965-05-26
Authority
state · scope: state:MN
Open detail →
Minnesota Local Heritage Preservation — Minn. Stat. § 138.51 et seq. 2 fields
Effective
1963-05-24
Authority
state · scope: state:MN
Open detail →
Fort Snelling National Historic Landmark / Bdote Cultural Landscape — Adjacency Coordination 1 field
Effective
1960-12-19
Authority
state · scope: state:MN
Open detail →
Minnesota County Planning and Zoning — Chapter 394 2 fields
Effective
1959-04-23
Authority
state · scope: state:MN
Open detail →
Minnesota Airport Zoning — Minn. Stat. § 360.061 et seq. 3 fields
Effective
1945-04-23
Authority
state · scope: state:MN
Open detail →
Iron Range Resources & Rehabilitation Board (IRRRB) / Taconite Assistance Area — Minn. Stat. Ch. 298 1 field
Effective
1941-04-25
Authority
state · scope: state:MN
Open detail →
Missouri · overlay roll-up · codes · 16 laws
RSMo §89.020.2 — Manufactured-Home Appearance-Criteria Preemption (Permissive-Enabling) 2 fields
Effective
2006-08-28
Authority
state · scope: state:MO
Open detail →
RSMo §§ 447.700–447.718 — Missouri Brownfield Redevelopment Program 2 fields
Effective
2001-08-28
Authority
state · scope: state:MO
Open detail →
Missouri CAFO Regulation — 10 CSR 20-6.300 (MDNR Concentrated Animal Feeding Operations) 3 fields
Effective
1996-04-30
Authority
state · scope: state:MO
Open detail →
RSMo §§ 99.800–99.865 — Real Property Tax Increment Allocation Redevelopment Act 4 fields
Effective
1982-08-13
Authority
state · scope: state:MO
Open detail →
RSMo §§ 305.400–305.410 — Greene County Airport Zoning Law (Springfield-Branson Region) 2 fields
Effective
1979-08-28
Authority
state · scope: state:MO
Open detail →
RSMo § 253.408 — Missouri State Historic Preservation Act (SHPO) 2 fields
Effective
1976-08-28
Authority
state · scope: state:MO
Open detail →
Mark Twain National Forest — USFS Adjacency & Land-Use Coordination Overlay 2 fields
Effective
1976-04-21
Authority
state · scope: state:MO
Open detail →
Missouri Floodplain Management — SEMA NFIP Coordination + MDNR 10 CSR 20-8 3 fields
Effective
1973-12-31
Authority
state · scope: state:MO
Open detail →
Military Installation Influence — Fort Leonard Wood + Whiteman AFB AICUZ / Encroachment Coordination 2 fields
Effective
1973-01-01
Authority
state · scope: state:MO
Open detail →
Missouri Wetlands — RSMo ch. 644 Clean Water Law + §401 Water Quality Certification 2 fields
Effective
1972-10-18
Authority
state · scope: state:MO
Open detail →
Ozark National Scenic Riverways — National Park Service Boundary + Scenic-River Corridor 2 fields
Effective
1964-08-27
Authority
state · scope: state:MO
Open detail →
USACE Reservoirs — Truman / Stockton / Bull Shoals / Pomme de Terre / Wappapello Shoreline Jurisdiction 2 fields
Effective
1944-12-22
Authority
state · scope: state:MO
Open detail →
Lake of the Ozarks Shoreline — Ameren Missouri FERC License Project No. 459 Boundary 2 fields
Effective
1931-01-01
Authority
state · scope: state:MO
Open detail →
RSMo Chapter 89 — Municipal Zoning Enabling Act (Standard State Zoning Enabling Act derivative) 4 fields
Effective
1925-01-01
Authority
state · scope: state:MO
Open detail →
Missouri River Corridor — Levee Districts, Federal Navigation, USACE §10/§404 Authority 2 fields
Effective
1899-03-03
Authority
state · scope: state:MO
Open detail →
Mississippi River Corridor — Federal Navigation, USACE Jurisdiction, Levee/Drainage Districts 2 fields
Effective
1899-03-03
Authority
state · scope: state:MO
Open detail →
Mississippi · overlay roll-up · codes · 16 laws
Mississippi Brownfields Voluntary Cleanup & Redevelopment Act 2 fields
Effective
1998-07-01
Authority
state · scope: state:MS
Open detail →
Mississippi Coastal Preserves System — Tidelands Trust & MDMR Designated Preserves 2 fields
Effective
1994-07-01
Authority
state · scope: state:MS
Open detail →
Mississippi Gaming Control Act — Gulf Coast & River County Casino Siting Preemption 2 fields
Effective
1990-06-29
Authority
state · scope: state:MS
Open detail →
Mississippi Tax Increment Financing Act — Redevelopment & Economic Development TIF 2 fields
Effective
1989-07-01
Authority
state · scope: state:MS
Open detail →
Mississippi Agricultural Districts & Agricultural Land Preservation 2 fields
Effective
1980-01-01
Authority
state · scope: state:MS
Open detail →
Mississippi Coastal Wetlands Protection Law — MDMR Permit Jurisdiction 2 fields
Effective
1973-07-01
Authority
state · scope: state:MS
Open detail →
Mississippi Floodplain Management Act — NFIP Compliance & SFHA Construction Standards 3 fields
Effective
1973-04-09
Authority
state · scope: state:MS
Open detail →
Mississippi Military Installation Influence — AICUZ Coordination (Keesler AFB, Columbus AFB, NAS Meridian, Stennis Space Center, Camp Shelby) 2 fields
Effective
1973-01-01
Authority
federal_via_state · scope: state:MS
Open detail →
Mississippi Inland Wetlands & Waters — §401 Water Quality Certification 2 fields
Effective
1972-10-18
Authority
state · scope: state:MS
Open detail →
Mississippi Major River Corridors — Pearl, Big Black, Tombigbee Waterway Coordination 3 fields
Effective
1972-07-01
Authority
state · scope: state:MS
Open detail →
Mississippi Zoning Enabling Act — Authority, Procedure, & Comprehensive-Plan Predicate 4 fields
Effective
1972-01-01
Authority
state · scope: state:MS
Open detail →
Gulf Islands National Seashore — Federal NPS Adjacency (Hancock/Harrison/Jackson Counties) 2 fields
Effective
1971-01-08
Authority
federal_via_state · scope: state:MS
Open detail →
Mississippi Antiquities Law & Mississippi Landmark Designation 2 fields
Effective
1970-04-23
Authority
state · scope: state:MS
Open detail →
Mississippi Airport Zoning Act — Airport Hazard Area Mandatory Adoption 2 fields
Effective
1958-01-01
Authority
state · scope: state:MS
Open detail →
Mississippi Forestry Law — Managed Forest Land Classification & Forestry Right-to-Practice 2 fields
Effective
1944-01-01
Authority
state · scope: state:MS
Open detail →
Natchez Trace Parkway — Federal NPS Scenic Corridor Adjacency (444 mi, AL/MS/TN) 2 fields
Effective
1938-05-18
Authority
federal_via_state · scope: state:MS
Open detail →
Montana · overlay roll-up · codes · 7 laws
Montana SB 323 — Duplex By-Right in Cities >=5,000 3 fields
Effective
2023-10-01
Authority
state · scope: state:MT
Open detail →
Montana SB 528 — ADU Statewide By-Right 4 fields
Effective
2023-10-01
Authority
state · scope: state:MT
Open detail →
Montana SB 382 — Montana Land Use Planning Act 2 fields
Effective
2023-10-01
Authority
state · scope: state:MT
Open detail →
Montana HB 819 — Minimum Lot Size Cap in Cities >=5,000 3 fields
Effective
2023-10-01
Authority
state · scope: state:MT
Open detail →
Montana HB 337 — Parking Minimum Cap for Multifamily Near Transit 1 field
Effective
2023-10-01
Authority
state · scope: state:MT
Open detail →
Montana SB 245 — Density Restriction Preemption in Residential Zones 3 fields
Effective
2023-10-01
Authority
state · scope: state:MT
Open detail →
Montana Property Tax Mill Levy Cap 1 field
Effective
1986-01-01
Authority
state · scope: state:MT
Open detail →
North Carolina · overlay roll-up · codes · 27 laws
NC S.L. 2024-43 (HB 250) — Public Safety / Other Changes Omnibus (placeholder — zoning provisions unverified) 1 field
Effective
2024-07-08
Authority
state · scope: state:NC
Open detail →
NC S.L. 2023-108 (HB 409) — Statewide By-Right ADU Mandate 6 fields
Effective
2023-10-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D-907 — Family Care Homes as Residential Use 5 fields
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D-910 — Manufactured Housing Anti-Exclusion 3 fields
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D-914 — Residential Solar Collector Protection 2 fields
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D-921 — Tree Ordinance Local-Act Requirement 1 field
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D-903 — Bona Fide Farm Exemption from County Zoning 1 field
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC HB 130 (2021) — Vested Rights Protections for Permit Applications 2 fields
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D Article 9 Part 4 — Historic Preservation Commission Authority 2 fields
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D-705 — Conditional Districts (Voluntary) and Conditional-Use Districts 2 fields
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC Subdivision Regulation Authority (G.S. §160D Article 8) 3 fields
Effective
2021-07-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D-702 — Building Design Element Preemption (1-2 Family Detached) 9 fields
Effective
2015-08-05
Authority
state · scope: state:NC
Open detail →
NC Military Installation AICUZ — State-Level Coordination with Federal Overlays 2 fields
Effective
2013-07-01
Authority
state · scope: state:NC
Open detail →
NC GS §160D-1207(c) — Short-Term Rental Registration/Permit Preemption 5 fields
Effective
2011-06-23
Authority
state · scope: state:NC
Open detail →
NC Stormwater Management Program — Post-Construction & Coastal (15A NCAC 02H .1000) 4 fields
Effective
2008-10-01
Authority
state · scope: state:NC
Open detail →
NC Floodplain Management — NCFMP / NFIP State Participation (G.S. 143-215.51 et seq.) 4 fields
Effective
2000-10-01
Authority
state · scope: state:NC
Open detail →
NC Neuse / Tar-Pamlico / Jordan / Falls / Randleman / Catawba Basin Riparian Buffer Rules (15A NCAC 02B) 3 fields
Effective
1997-08-01
Authority
state · scope: state:NC
Open detail →
NC Water Supply Watershed Protection Act (G.S. 143-214.5; 15A NCAC 02B .0200) 5 fields
Effective
1992-01-01
Authority
state · scope: state:NC
Open detail →
NC Outstanding Resource Waters (ORW) and High-Quality Waters (HQW) Standards 4 fields
Effective
1989-09-01
Authority
state · scope: state:NC
Open detail →
NC Voluntary / Enhanced Voluntary Agricultural Districts (G.S. §106-737 – §106-744) 3 fields
Effective
1986-07-15
Authority
state · scope: state:NC
Open detail →
NC Mountain Ridge Protection Act 2 fields
Effective
1983-08-01
Authority
state · scope: state:NC
Open detail →
NC Coastal Area Management Act (CAMA) — NC DEQ Preemption in 20 Coastal Counties 3 fields
Effective
1974-04-12
Authority
state · scope: state:NC
Open detail →
NC Sedimentation Pollution Control Act of 1973 (G.S. 113A Article 4) 4 fields
Effective
1973-07-04
Authority
state · scope: state:NC
Open detail →
NC State Environmental Policy Act (SEPA) 1 field
Effective
1971-10-01
Authority
state · scope: state:NC
Open detail →
NC Residential Code Preemption (G.S. §143-138 / §143-139.1) 3 fields
Effective
1953-04-15
Authority
state · scope: state:NC
Open detail →
NC Urban Redevelopment Law 1 field
Effective
1951-04-21
Authority
state · scope: state:NC
Open detail →
NC Airport Zoning Act (G.S. §63-30 et seq.) — Airport Hazard Zoning / PIN Airports 3 fields
Effective
1941-03-25
Authority
state · scope: state:NC
Open detail →
North Dakota · overlay roll-up · codes · 9 laws
Short-Term Rentals — No Statewide Preemption (Local Authority Preserved) 1 field
Effective
2026-05-20
Authority
state · scope: state:ND
Open detail →
NDCC §40-47-16 — Manufactured & Modular Housing Parity in Residential Districts 3 fields
Effective
1985-07-01
Authority
state · scope: state:ND
Open detail →
NDCC Ch. 11-09.1 — County Home Rule Charter Authority Expansion 1 field
Effective
1985-07-01
Authority
state · scope: state:ND
Open detail →
NDCC §40-47-01.1 — Extraterritorial Zoning Jurisdiction (Population-Tiered) 4 fields
Effective
1969-07-01
Authority
state · scope: state:ND
Open detail →
NDCC §11-33-02 — Agricultural Land & Existing Farm Structures County Zoning Carve-Out 3 fields
Effective
1969-07-01
Authority
state · scope: state:ND
Open detail →
NDCC Ch. 40-05.1 — City Home Rule Charter Authority Expansion 1 field
Effective
1969-07-01
Authority
state · scope: state:ND
Open detail →
NDCC Ch. 38-08 — Oil & Gas Downhole / Spacing / Flaring State Occupation 4 fields
Effective
1953-07-01
Authority
state · scope: state:ND
Open detail →
NDCC §40-47-07 / §11-33-08 — 20% Protest Petition Two-Thirds Vote Trigger 3 fields
Effective
1925-07-01
Authority
state · scope: state:ND
Open detail →
Federal & Tribal Jurisdictional Carve-Outs (MHA Nation, USACE, Theodore Roosevelt NP, AFB AICUZ) 4 fields
Effective
1851-09-17
Authority
federal · scope: state:ND
Open detail →
Nebraska · overlay roll-up · codes · 12 laws
Nebraska LB 614 (2025) — ETJ Farm-Building Exemption (Enabling) 1 field
Effective
2025-09-01
Authority
state · scope: state:NE
Open detail →
Nebraska LB 266 (2025) — Statewide Rent-Control Preemption 2 fields
Effective
2025-08-30
Authority
state · scope: state:NE
Open detail →
Nebraska LB 866 (2020) — Municipal Density and Missing Middle Housing Act (Reporting + Action Plan) 3 fields
Effective
2020-08-17
Authority
state · scope: state:NE
Open detail →
Nebraska §18-1758 (LB 57, 2019) — Short-Term Rental Partial Preemption 3 fields
Effective
2019-09-01
Authority
state · scope: state:NE
Open detail →
Nebraska LB 840 — Local Option Municipal Economic Development Act (Enabling Only) 3 fields
Effective
1991-07-15
Authority
state · scope: state:NE
Open detail →
Nebraska §19-904 — Manufactured Home Zoning Parity 3 fields
Effective
1989-01-01
Authority
state · scope: state:NE
Open detail →
Nebraska §§71-4603 et seq. — Manufactured Housing Act (Installer/Dealer Licensing) 2 fields
Effective
1984-01-01
Authority
state · scope: state:NE
Open detail →
Offutt AFB AICUZ — Federal Military Airfield Compatible-Use Overlay (Bellevue / Sarpy County) 3 fields
Effective
1973-01-01
Authority
federal · scope: state:NE
Open detail →
Lincoln Capitol Environs District — State-Law Height Overlay 1 field
Effective
1968-01-01
Authority
state · scope: state:NE
Open detail →
Nebraska ETJ Framework — City Zoning over Unincorporated County Territory 2 fields
Effective
1957-01-01
Authority
state · scope: state:NE
Open detail →
Nebraska §§23-114 et seq. — County Zoning Procedural Floor 4 fields
Effective
1939-01-01
Authority
state · scope: state:NE
Open detail →
Nebraska Chapter 19 — Municipal Zoning Procedural Floor 4 fields
Effective
1929-01-01
Authority
state · scope: state:NE
Open detail →
New Hampshire · overlay roll-up · codes · 9 laws
NH HB 631 / Chapter 201 (2025) — Multifamily / Mixed-Use By Right on Commercial Land 3 fields
Effective
2026-07-01
Authority
state · scope: state:NH
Open detail →
NH RSA 674:72 — Accessory Dwelling Units (HB 577 / Chapter 197 Rewrite) 6 fields
Effective
2025-07-01
Authority
state · scope: state:NH
Open detail →
NH RSA 674:71 / 674:58–61 — Workforce Housing Reasonable Opportunity Mandate 3 fields
Effective
2010-01-01
Authority
state · scope: state:NH
Open detail →
NH RSA 483-B — Shoreland Water Quality Protection Act 3 fields
Effective
1991-07-01
Authority
state · scope: state:NH
Open detail →
Pease ANG (Air National Guard) AICUZ — Federal Airspace and Noise Overlay 2 fields
Effective
1991-04-01
Authority
federal · scope: state:NH
Open detail →
NH RSA 674:32 — Manufactured Housing Anti-Exclusionary Mandate 2 fields
Effective
1988-01-01
Authority
state · scope: state:NH
Open detail →
NH RSA 675 — Procedure for Adoption of Zoning, Subdivision, and Site-Plan Regulations 2 fields
Effective
1983-01-01
Authority
state · scope: state:NH
Open detail →
Hubbard Brook Experimental Forest — USFS Research Watershed Carve-Out 1 field
Effective
1955-01-01
Authority
federal · scope: state:NH
Open detail →
White Mountain National Forest — Federal Land Carve-Out (USFS) 2 fields
Effective
1918-05-16
Authority
federal · scope: state:NH
Open detail →
New Jersey · overlay roll-up · codes · 10 laws
New Jersey A4 / S50 — Affordable Housing Act of 2024 2 fields
Effective
2024-03-20
Authority
state · scope: state:NJ
Open detail →
New Jersey S3442 — Office-to-Residential Conversion By-Right 4 fields
Effective
2024-01-16
Authority
state · scope: state:NJ
Open detail →
New Jersey Highlands — Preservation Area Council Preemption 4 fields
Effective
2004-08-10
Authority
state · scope: state:NJ
Open detail →
New Jersey Transit Village Program — TOD Incentive Overlay 3 fields
Effective
1999-04-01
Authority
state · scope: state:NJ
Open detail →
New Jersey Fair Housing Act — Statutory Fair Share Framework 2 fields
Effective
1985-07-02
Authority
state · scope: state:NJ
Open detail →
New Jersey Urban Enterprise Zone Program — Economic Incentive Overlay 0 fields
Effective
1983-08-15
Authority
state · scope: state:NJ
Open detail →
New Jersey Pinelands — Comprehensive Management Plan Preemption 4 fields
Effective
1981-01-14
Authority
state · scope: state:NJ
Open detail →
New Jersey Municipal Land Use Law — ADU Permissive Framework 1 field
Effective
1976-01-14
Authority
state · scope: state:NJ
Open detail →
New Jersey Mount Laurel Doctrine — Constitutional Fair Share Obligation 2 fields
Effective
1975-03-24
Authority
state · scope: state:NJ
Open detail →
New Jersey Meadowlands District — NJSEA Zoning Preemption 4 fields
Effective
1969-01-13
Authority
state · scope: state:NJ
Open detail →
New Mexico · overlay roll-up · codes · 11 laws
WIPP (Carlsbad) Federal Radioactive Waste Corridor 1 field
Effective
1992-10-30
Authority
federal · scope: state:NM
Open detail →
NMSA 3-21A — Manufactured Home Siting Non-Discrimination 2 fields
Effective
1991-01-01
Authority
state · scope: state:NM
Open detail →
Military AICUZ / Federal Installation Overlays (Kirtland AFB, Holloman AFB, WSMR, Cannon AFB) 2 fields
Effective
1973-01-01
Authority
federal · scope: state:NM
Open detail →
N.M. Const. Art. X § 6 — Constitutional Municipal Home Rule (Charter Cities) 2 fields
Effective
1970-01-01
Authority
state · scope: state:NM
Open detail →
NMSA 3-21 — Municipal/County Zoning Enabling Act (Dillon's Rule Baseline) 2 fields
Effective
1965-01-01
Authority
state · scope: state:NM
Open detail →
NMSA 3-21-2 / 3-21-6 — Extraterritorial Joint Zoning Authority (EZA/ELUC, SFEZO) 2 fields
Effective
1965-01-01
Authority
state · scope: state:NM
Open detail →
Los Alamos County / LANL Federal–County Hybrid Governance 2 fields
Effective
1949-01-01
Authority
federal · scope: state:NM
Open detail →
Federal-Land Jurisdiction Carve-Out (BLM / USFS / NPS / State Trust Lands) 1 field
Effective
1912-01-06
Authority
federal · scope: state:NM
Open detail →
Acequia / Community Ditch Overlay (NMSA Ch. 73) 2 fields
Effective
1851-07-20
Authority
state · scope: state:NM
Open detail →
Tribal / Pueblo Sovereign Jurisdiction Carve-Out 2 fields
Effective
1848-02-02
Authority
federal · scope: state:NM
Open detail →
NM HB 554 (2025) — Statewide ADU By-Right (Status: Pending Verification) 2 fields
Effective
—
Authority
state · scope: state:NM
Open detail →
Nevada · overlay roll-up · codes · 11 laws
Nevada AB 241 (2025) — By-Right Multifamily on Commercial-Zoned Land 3 fields
Effective
2025-10-01
Authority
state · scope: state:NV
Open detail →
Nevada SB 394 (2025) — 120-Day Decision Shot-Clock (≥100k Counties) 1 field
Effective
2025-10-01
Authority
state · scope: state:NV
Open detail →
Nevada AB 540 (2025) — Clark County Ministerial Review Near Transit (NRS 278.02527) 3 fields
Effective
2025-07-01
Authority
state · scope: state:NV
Open detail →
NRS 278.02095 — Accessory Dwelling Unit Mandate (Cities in ≥100k Counties) 2 fields
Effective
2021-10-01
Authority
state · scope: state:NV
Open detail →
NRS 244.3358 — Short-Term Rental Ordinance Mandate (Clark County) 5 fields
Effective
2021-07-01
Authority
state · scope: state:NV
Open detail →
NRS 278.02083 — Manufactured Housing in Single-Family Districts 3 fields
Effective
1989-07-01
Authority
state · scope: state:NV
Open detail →
Truckee Meadows Regional Planning Agency Conformance (Washoe County) 2 fields
Effective
1989-06-30
Authority
state · scope: state:NV
Open detail →
Nellis AFB / Creech AFB / Naval Air Station Fallon — AICUZ + FAA Part 77 2 fields
Effective
1973-01-01
Authority
federal · scope: state:NV
Open detail →
Tahoe Regional Planning Compact — Bistate Land-Use Authority 3 fields
Effective
1969-12-18
Authority
federal · scope: state:NV
Open detail →
NRS Chapter 278 — Planning and Zoning Enabling Act 4 fields
Effective
1947-03-29
Authority
state · scope: state:NV
Open detail →
Federal Land Dominance — BLM Disposal, SNPLMA, Mining Law of 1872 3 fields
Effective
1872-05-10
Authority
federal · scope: state:NV
Open detail →
New York · overlay roll-up · codes · 21 laws
NY Freshwater Wetlands Act — 2022 Amendment Lower Threshold 1 field
Effective
2025-01-01
Authority
state · scope: state:NY
Open detail →
NY Real Property Law Article 12-D — Statewide Short-Term Rental Registry Framework 2 fields
Effective
2024-12-21
Authority
state · scope: state:NY
Open detail →
NYC City of Yes for Housing Opportunity — ADU Legalization (Local Laws 126 & 127 of 2024) 2 fields
Effective
2024-12-05
Authority
municipal · scope: state:NY
Open detail →
NY Multiple Dwelling Law §26(3) — NYC Residential FAR Cap Lifted (Enabling) 1 field
Effective
2024-04-20
Authority
state · scope: state:NY
Open detail →
NY Real Property Tax Law §485-x — Affordable Neighborhoods for New Yorkers (NYC Tax Abatement) 1 field
Effective
2024-04-20 → 2034-06-15
Authority
state · scope: state:NY
Open detail →
NY Real Property Tax Law §467-m — NYC Office-to-Residential Conversion Tax Incentive 1 field
Effective
2024-04-20
Authority
state · scope: state:NY
Open detail →
NY Real Property Tax Law §421-a Extender — NYC Vested-Project Completion Extension 1 field
Effective
2024-04-20 → 2031-06-15
Authority
state · scope: state:NY
Open detail →
NYC Local Law 18 — Short-Term Rental Booking Platform Registration (Preserved) 1 field
Effective
2023-09-05
Authority
municipal · scope: state:NY
Open detail →
NY Executive Order 30 — Pro-Housing Community Funding Conditionality 8 fields
Effective
2023-07-18
Authority
state · scope: state:NY
Open detail →
NY Housing Compact (2023) — FAILED — No Statewide Override 0 fields
Effective
2023-01-10 → 2023-05-02
Authority
state · scope: state:NY
Open detail →
NY Plus One ADU Grant Program — Voluntary Homeowner Incentive 0 fields
Effective
2023-01-01
Authority
state · scope: state:NY
Open detail →
NY Long Island Pine Barrens Commission — Central Pine Barrens Geographic Preemption 2 fields
Effective
1993-07-14
Authority
state · scope: state:NY
Open detail →
NY Hudson River Valley Greenway — Compact Community / Greenway Communities 1 field
Effective
1991-07-23
Authority
state · scope: state:NY
Open detail →
NY Catskill Park — State Land Master Plan Geographic Overlay 1 field
Effective
1985-01-01
Authority
state · scope: state:NY
Open detail →
NY Coastal Management Program & Local Waterfront Revitalization Programs 1 field
Effective
1981-09-30
Authority
state · scope: state:NY
Open detail →
NY Manufactured / Mobile Home Constitutional Non-Exclusion Rule 1 field
Effective
1978-01-01
Authority
state · scope: state:NY
Open detail →
NYC City Environmental Quality Review (CEQR) — NYC SEQRA Implementation 1 field
Effective
1977-08-24
Authority
municipal · scope: state:NY
Open detail →
NY State Environmental Quality Review Act (SEQRA) — Procedural Preemption 1 field
Effective
1975-11-01
Authority
state · scope: state:NY
Open detail →
NY Tidal Wetlands Act — Coastal Wetland Preemption 1 field
Effective
1973-09-01
Authority
state · scope: state:NY
Open detail →
NY Adirondack Park Agency Act — Geographic Land Use Preemption 2 fields
Effective
1973-05-22
Authority
state · scope: state:NY
Open detail →
NY Multiple Dwelling Law — Jurisdictional Applicability (Cities ≥325,000) 1 field
Effective
1929-01-01
Authority
state · scope: state:NY
Open detail →
Ohio · overlay roll-up · codes · 13 laws
ORC §5104.054 — Type B Family Child Care Homes By-Right in Residential Districts 5 fields
Effective
2025-01-01
Authority
state · scope: state:OH
Open detail →
ORC §122.84 — Ohio Opportunity Zone Investment Tax Credit 0 fields
Effective
2019-07-18
Authority
state · scope: state:OH
Open detail →
ORC §4301.82 — Designated Outdoor Refreshment Area (DORA) Liquor Preemption 1 field
Effective
2015-08-15
Authority
state · scope: state:OH
Open detail →
ORC §519.212 — Permanently Sited Manufactured Home Zoning Preemption (Townships) 2 fields
Effective
1999-03-30
Authority
state · scope: state:OH
Open detail →
ORC §303.212 — Permanently Sited Manufactured Home Zoning Preemption (Counties) 2 fields
Effective
1999-03-30
Authority
state · scope: state:OH
Open detail →
ORC §713.15 — Nonconforming Use Grandfathering Floor (Municipal) 3 fields
Effective
1987-03-05
Authority
state · scope: state:OH
Open detail →
ORC §§3735.65–3735.70 — Community Reinvestment Area (CRA) Tax Abatement Framework 0 fields
Effective
1977-01-01
Authority
state · scope: state:OH
Open detail →
ORC §3781.184 — Federal HUD Construction Standard Preemption (Manufactured Homes) 1 field
Effective
1976-06-15
Authority
state · scope: state:OH
Open detail →
ORC §519.21 — Agricultural Use Preemption (Townships) 3 fields
Effective
1963-01-01
Authority
state · scope: state:OH
Open detail →
ORC §303.21 — Agricultural Use Preemption (Counties) 2 fields
Effective
1963-01-01
Authority
state · scope: state:OH
Open detail →
ORC Chapter 519 — Township Zoning Enabling (Unincorporated) 0 fields
Effective
1947-01-01
Authority
state · scope: state:OH
Open detail →
ORC Chapter 713 — Municipal Zoning Enabling (Non-Charter) 0 fields
Effective
1923-01-01
Authority
state · scope: state:OH
Open detail →
Ohio Home Rule Doctrine (Constitution Article XVIII) 0 fields
Effective
1912-09-03
Authority
state · scope: state:OH
Open detail →
Oklahoma · overlay roll-up · codes · 14 laws
McGirt v. Oklahoma — Five Tribes + Secondary Reservation Overlay (Criminal Jurisdiction Settled; Civil/Zoning Unresolved) 3 fields
Effective
2020-07-09
Authority
federal_via_state · scope: state:OK
Open detail →
Oklahoma §52-137 — Oil & Gas Surface-Use Preemption (Corporation Commission Exclusive Jurisdiction) 3 fields
Effective
2015-05-29
Authority
state · scope: state:OK
Open detail →
Oklahoma Wind Energy Development Act — Setbacks, Decommissioning, Notice 4 fields
Effective
2010-11-01
Authority
state · scope: state:OK
Open detail →
Oklahoma §11-47-150 — Military Airfield Influence Zoning (Tinker / Fort Sill / Vance / Altus / McAlester) 2 fields
Effective
1999-01-01
Authority
state · scope: state:OK
Open detail →
Oklahoma Brownfields Voluntary Redevelopment Program — DEQ Oversight + Liability Limit 2 fields
Effective
1996-06-10
Authority
state · scope: state:OK
Open detail →
Oklahoma Local Development Act — Tax Increment Finance Districts 2 fields
Effective
1992-05-22
Authority
state · scope: state:OK
Open detail →
Oklahoma §11-43-107 — Manufactured Housing Anti-Exclusion (Municipal) + §19-865.64a (County) 2 fields
Effective
1985-01-01
Authority
state · scope: state:OK
Open detail →
Oklahoma Floodplain Management Act — State Mandate to Adopt Local Floodplain Ordinance 3 fields
Effective
1980-01-01
Authority
state · scope: state:OK
Open detail →
Oklahoma Right to Farm Act — Agricultural Activity Protection from Nuisance + Zoning Encroachment 2 fields
Effective
1980-01-01
Authority
state · scope: state:OK
Open detail →
Oklahoma Historic Preservation Act — SHPO Review + Local CLG Designation 2 fields
Effective
1971-01-01
Authority
state · scope: state:OK
Open detail →
Oklahoma Scenic Rivers Act — GRDA-Administered Designated Reaches 3 fields
Effective
1970-04-13
Authority
state · scope: state:OK
Open detail →
Oklahoma County Zoning Enabling Act — Unincorporated Territory + Agricultural Carveout 3 fields
Effective
1965-01-01
Authority
state · scope: state:OK
Open detail →
Oklahoma Airport Zoning Act — Hazard-Area Adoption + FAA Part 77 Conformance 2 fields
Effective
1949-01-01
Authority
state · scope: state:OK
Open detail →
Oklahoma Municipal Planning and Zoning Act — Enabling Floor + Procedural Mandate 4 fields
Effective
1923-01-01
Authority
state · scope: state:OK
Open detail →
Oregon · overlay roll-up · codes · 9 laws
Oregon SB 1537 — Climate-Friendly & Equitable Communities Rules (CFEC/CEP) 4 fields
Effective
2024-04-04
Authority
state · scope: state:OR
Open detail →
Oregon HB 3414 — Land Use Adjustments for Housing 2 fields
Effective
2023-07-31
Authority
state · scope: state:OR
Open detail →
Oregon SB 8 — Affordable Housing on Religious & Nonprofit Land 3 fields
Effective
2021-09-25
Authority
state · scope: state:OR
Open detail →
Oregon HB 2003 / HB 2010 — Housing Production Strategy Requirements 2 fields
Effective
2020-01-01
Authority
state · scope: state:OR
Open detail →
Oregon HB 2001 — Middle Housing (Duplex Tier, Cities ≥10,000) 3 fields
Effective
2019-08-08
Authority
state · scope: state:OR
Open detail →
Oregon HB 2001 — Middle Housing (Fourplex Tier, Cities ≥25,000 or Portland Metro) 7 fields
Effective
2019-08-08
Authority
state · scope: state:OR
Open detail →
Oregon ADU By-Right in Residential Zones 4 fields
Effective
2017-08-15
Authority
state · scope: state:OR
Open detail →
Oregon Statewide Planning Goal 10 — Housing 3 fields
Effective
1974-12-27
Authority
state · scope: state:OR
Open detail →
Oregon Urban Growth Boundary Framework 2 fields
Effective
1973-05-29
Authority
state · scope: state:OR
Open detail →
Pennsylvania · overlay roll-up · codes · 18 laws
Pennsylvania Act 13 — Oil & Gas Operational Preemption (58 Pa.C.S. §3303) 2 fields
Effective
2012-02-14
Authority
state · scope: state:PA
Open detail →
Chesapeake Bay Watershed — Riparian Buffer & E&S Control (25 Pa. Code Ch. 102) 2 fields
Effective
2010-11-19
Authority
state · scope: state:PA
Open detail →
Pennsylvania Natural Diversity Inventory (PNDI) Environmental Review 2 fields
Effective
2008-01-01
Authority
state · scope: state:PA
Open detail →
MPC §503(1.1) — Manufactured / Industrialized Housing Preemption 3 fields
Effective
2000-12-21
Authority
state · scope: state:PA
Open detail →
Pennsylvania Uniform Construction Code (UCC) — Building Code Preemption 2 fields
Effective
1999-11-10
Authority
state · scope: state:PA
Open detail →
Firearms — Local Regulation Preemption (18 Pa.C.S. §6120) 1 field
Effective
1995-10-11
Authority
state · scope: state:PA
Open detail →
Pennsylvania History Code — State Historic Preservation Review (Pa.C.S. Title 37) 2 fields
Effective
1988-04-08
Authority
state · scope: state:PA
Open detail →
Pennsylvania Agricultural Area Security Law — Agricultural Security Areas (Act 43 / Act 38 of 2005) 3 fields
Effective
1981-06-30
Authority
state · scope: state:PA
Open detail →
Pennsylvania Coastal Zone Management Program — Lake Erie & Delaware Estuary 2 fields
Effective
1980-07-10
Authority
state · scope: state:PA
Open detail →
PA Dam Safety and Encroachments Act / 25 Pa. Code Ch. 105 — Waterway Permits & Wetlands 3 fields
Effective
1978-11-26
Authority
state · scope: state:PA
Open detail →
Pennsylvania Storm Water Management Act (Act 167) — County Watershed-Based Plans 2 fields
Effective
1978-10-04
Authority
state · scope: state:PA
Open detail →
Pennsylvania Flood Plain Management Act (Act 166 of 1978) — Mandatory Municipal Floodplain Ordinance 4 fields
Effective
1978-10-04
Authority
state · scope: state:PA
Open detail →
Pennsylvania Scenic Rivers Act — State-Designated River Corridors 2 fields
Effective
1972-12-05
Authority
state · scope: state:PA
Open detail →
Surface Mining Conservation and Reclamation Act — Local Preemption (§1396.4e) 2 fields
Effective
1971-11-30
Authority
state · scope: state:PA
Open detail →
Pennsylvania Municipalities Planning Code (MPC) — Act 247 of 1968 3 fields
Effective
1968-07-31
Authority
state · scope: state:PA
Open detail →
Pennsylvania Sewage Facilities Act (Act 537) — Required Sewage Facilities Plan 2 fields
Effective
1966-01-24
Authority
state · scope: state:PA
Open detail →
Delaware River Basin Commission — Section 3.8 Project Review 2 fields
Effective
1961-09-27
Authority
interstate_compact · scope: state:PA
Open detail →
First Class City Home Rule Act — Philadelphia 1 field
Effective
1949-04-21
Authority
state · scope: state:PA
Open detail →
Rhode Island · overlay roll-up · codes · 11 laws
Rhode Island Transit-Area Parking Maximum (2026 package, provisional) 1 field
Effective
2026-07-01
Authority
state · scope: state:RI
Open detail →
Rhode Island Village / Mixed-Use Mandate (2025 Craven/Bissaillon) 1 field
Effective
2025-06-01
Authority
state · scope: state:RI
Open detail →
Rhode Island Manufactured Housing By-Right (2024 HB 7980) 2 fields
Effective
2024-07-01
Authority
state · scope: state:RI
Open detail →
Rhode Island Statewide ADU Mandate (§45-24-73, 2023 H 6082) 6 fields
Effective
2023-06-09
Authority
state · scope: state:RI
Open detail →
Rhode Island Objective-Design-Standards Requirement (2023 H 6090) 3 fields
Effective
2023-06-09
Authority
state · scope: state:RI
Open detail →
Rhode Island I-195 Redevelopment District (§42-64.19, Providence) 2 fields
Effective
2011-11-15
Authority
state · scope: state:RI
Open detail →
Rhode Island Zoning Enabling Act of 1991 (§45-24) 4 fields
Effective
1991-12-01
Authority
state · scope: state:RI
Open detail →
Rhode Island Low and Moderate Income Housing Act — §45-53 (RI's 40B) 7 fields
Effective
1991-01-01
Authority
state · scope: state:RI
Open detail →
Rhode Island Comprehensive Planning and Land Use Regulation Act (§45-22.2) 3 fields
Effective
1988-01-01
Authority
state · scope: state:RI
Open detail →
Rhode Island State Building Code (§23-27.3) 2 fields
Effective
1977-01-01
Authority
state · scope: state:RI
Open detail →
Rhode Island CRMC Coastal Jurisdiction (§46-23) 2 fields
Effective
1971-04-23
Authority
state · scope: state:RI
Open detail →
South Carolina · overlay roll-up · codes · 15 laws
S.C. Short-Term Rentals — No State Preemption (explicit non-preemption) 0 fields
Effective
2026-05-18
Authority
state · scope: state:SC
Open detail →
S.C. ADU / Density / Design Review — No State Preemption (explicit non-preemption) 0 fields
Effective
2026-05-18
Authority
state · scope: state:SC
Open detail →
S.C. Military Installation Compatibility — AICUZ / JLUS Coordination 3 fields
Effective
2013-01-01
Authority
state · scope: state:SC
Open detail →
S.C. §6-29-1145 — Manufactured Housing Zoning Parity Rule 4 fields
Effective
2007-06-13
Authority
state · scope: state:SC
Open detail →
S.C. Brownfields / Voluntary Cleanup Program — §44-56-710 et seq. 2 fields
Effective
1995-06-12
Authority
state · scope: state:SC
Open detail →
S.C. Local Government Comprehensive Planning Enabling Act of 1994 — Procedural Floor 5 fields
Effective
1994-05-03
Authority
state · scope: state:SC
Open detail →
S.C. Scenic Rivers Act of 1989 — Designated Scenic, Recreational, and Natural Rivers 4 fields
Effective
1989-05-22
Authority
state · scope: state:SC
Open detail →
S.C. Beachfront Management Act — OCRM Baseline / Setback Line Overlay 4 fields
Effective
1988-07-01
Authority
state · scope: state:SC
Open detail →
S.C. Tax Increment Financing Law — Municipal Redevelopment Districts 3 fields
Effective
1984-04-13
Authority
state · scope: state:SC
Open detail →
S.C. Floodplain Management — NFIP Participation / Title 49 Chapter 23 4 fields
Effective
1981-06-09
Authority
state · scope: state:SC
Open detail →
S.C. Right-to-Farm Act — §46-45 Agricultural Operations Nuisance Protection 3 fields
Effective
1980-06-25
Authority
state · scope: state:SC
Open detail →
S.C. Coastal Tidelands and Wetlands Act — Critical Area / OCRM Permit 3 fields
Effective
1977-06-21
Authority
state · scope: state:SC
Open detail →
S.C. Heritage Trust Program — Heritage Preserves and Heritage Sites 3 fields
Effective
1976-06-04
Authority
state · scope: state:SC
Open detail →
S.C. Title 55 Chapter 13 — Airport Zoning / Airport Safety Zones 3 fields
Effective
1962-03-21
Authority
state · scope: state:SC
Open detail →
S.C. Local Historic District Authority — Home Rule + Chapter 29 2 fields
Effective
1931-10-13
Authority
state · scope: state:SC
Open detail →
South Dakota · overlay roll-up · codes · 10 laws
South Dakota — No Statewide Short-Term Rental Preemption (Local Authority Intact) 1 field
Effective
2026-05-20
Authority
state · scope: state:SD
Open detail →
South Dakota Referred Law 21 (Nov 2024) — Voter Rejection of PUC Local-Zoning Override (VOID) 2 fields
Effective
2024-11-05
Authority
state · scope: state:SD
Open detail →
South Dakota SDCL §11-4-2 — Manufactured Housing Equal-Treatment in Single-Family Districts 2 fields
Effective
1991-01-01
Authority
state · scope: state:SD
Open detail →
South Dakota SDCL §11-2-17 — County Agricultural-Use Protection 3 fields
Effective
1979-01-01
Authority
state · scope: state:SD
Open detail →
Ellsworth AFB AICUZ (Rapid City Area) — Air Installation Compatible Use Zones 2 fields
Effective
1973-01-01
Authority
federal · scope: state:SD
Open detail →
South Dakota SDCL §11-6-10 — Municipal Extraterritorial Jurisdiction (ETJ) for Zoning 2 fields
Effective
1967-01-01
Authority
state · scope: state:SD
Open detail →
South Dakota SDCL Chapter 11-4 — Municipal Zoning Enabling Framework (Dillon's Rule) 3 fields
Effective
1939-01-01
Authority
state · scope: state:SD
Open detail →
Mount Rushmore NM + Badlands NP + Wind Cave NP — NPS Land-Management Overlay 2 fields
Effective
1916-08-25
Authority
federal · scope: state:SD
Open detail →
Black Hills National Forest — USFS Land-Management Overlay 2 fields
Effective
1897-02-22
Authority
federal · scope: state:SD
Open detail →
South Dakota Tribal Reservation Sovereignty Carve-Out (~9% of State Land) 2 fields
Effective
1868-01-01
Authority
federal · scope: state:SD
Open detail →
Tennessee · overlay roll-up · codes · 25 laws
Tennessee State Building Code — 2021 I-Codes via State Fire Marshal SBCO 4 fields
Effective
2025-04-17
Authority
state · scope: state:TN
Open detail →
Tennessee Voluntary Attainable Housing Incentive Programs — IZ Ban Carve-Out 3 fields
Effective
2024-07-01
Authority
state · scope: state:TN
Open detail →
Tennessee Short Term Rental Unit Act — Statewide STR Grandfathering 3 fields
Effective
2018-05-17
Authority
state · scope: state:TN
Open detail →
Tennessee §6-54-127 — Mandatory Inclusionary Zoning & Rent Control Ban 2 fields
Effective
2016-04-27
Authority
state · scope: state:TN
Open detail →
Tennessee Heritage Protection Act — Memorials on Public Property 2 fields
Effective
2013-04-29
Authority
state · scope: state:TN
Open detail →
Tennessee Agricultural District and Farmland Preservation Act 2 fields
Effective
2006-06-15
Authority
state · scope: state:TN
Open detail →
Tennessee Industrial Development Board TIF — Economic Impact Plan Districts 2 fields
Effective
2004-06-15
Authority
state · scope: state:TN
Open detail →
Tennessee NPDES Stormwater & Riparian Buffer — Construction & MS4 Permits 4 fields
Effective
2003-01-01
Authority
state · scope: state:TN
Open detail →
Tennessee Public Chapter 1101 (1998) — UGB / PGA / RA Growth Plan Regime 3 fields
Effective
1998-05-19
Authority
state · scope: state:TN
Open detail →
Tennessee Brownfield Voluntary Cleanup Program (VOAP) 2 fields
Effective
1994-04-19
Authority
state · scope: state:TN
Open detail →
Tennessee Manufactured Home Parity — HUD-Code MH Anti-Exclusion 2 fields
Effective
1988-01-01
Authority
state · scope: state:TN
Open detail →
Federal SMCRA Coal Mining Program (OSMRE) — TN Has No State Primacy 4 fields
Effective
1984-10-01
Authority
federal_via_state · scope: state:TN
Open detail →
Tennessee Right to Farm Act — Agricultural Nuisance Protection 3 fields
Effective
1982-04-29
Authority
state · scope: state:TN
Open detail →
Tennessee Water Quality Control Act — Wetlands & Aquatic Resource Alteration Permits 2 fields
Effective
1977-05-09
Authority
state · scope: state:TN
Open detail →
Tennessee Greenbelt Law — Use-Value Assessment & Rollback Tax 2 fields
Effective
1976-04-09
Authority
state · scope: state:TN
Open detail →
Tennessee Wildlife Management Areas — TWRA Land-Use Constraints 2 fields
Effective
1974-01-01
Authority
state · scope: state:TN
Open detail →
Tennessee Natural Areas Preservation Act — Designated Natural Areas 2 fields
Effective
1971-04-19
Authority
state · scope: state:TN
Open detail →
Tennessee Scenic Rivers Act — State Scenic Rivers System 2 fields
Effective
1968-05-01
Authority
state · scope: state:TN
Open detail →
Metropolitan Government of Nashville-Davidson — Consolidated City-County Charter 4 fields
Effective
1963-04-01
Authority
state · scope: city:metro_nashville_davidson
Open detail →
Tennessee Airport Zoning — Airport Hazard Area Mandate 2 fields
Effective
1947-01-01
Authority
state · scope: state:TN
Open detail →
Tennessee Zoning Enabling Act — Procedural & Vested-Rights Floor 3 fields
Effective
1935-01-01
Authority
state · scope: state:TN
Open detail →
Great Smoky Mountains National Park — Federal Adjacency (Sevier/Blount/Cocke Counties) 2 fields
Effective
1934-06-15
Authority
federal_via_state · scope: state:TN
Open detail →
TVA Section 26a Shoreline Construction — Federal Jurisdiction (Tennessee River System) 2 fields
Effective
1933-05-18
Authority
federal_via_state · scope: state:TN
Open detail →
TVA Reservoir Operating Agreements — Flood-Storage, Pool Elevations & Flowage Easements 3 fields
Effective
1933-05-18
Authority
federal_via_state · scope: state:TN
Open detail →
Cherokee National Forest — USFS Adjacency (East TN) 2 fields
Effective
1920-06-14
Authority
federal_via_state · scope: state:TN
Open detail →
Texas · overlay roll-up · codes · 2 laws
Texas SB 840 — Multifamily By-Right on Commercial/Office/Retail/Warehouse/MU Parcels 26 fields
Effective
2025-09-01
Authority
state · scope: state:TX
Open detail →
Texas SB 15 — Small Lot Deregulation 4 fields
Effective
2025-09-01
Authority
state · scope: state:TX
Open detail →
Utah · overlay roll-up · codes · 6 laws
Utah ADU By-Right in Residential Zones (SB 140 / HB 409) 4 fields
Effective
2023-05-03
Authority
state · scope: state:UT
Open detail →
Utah MIH Non-Compliance Enforcement Preemption 2 fields
Effective
2022-05-04
Authority
state · scope: state:UT
Open detail →
Utah First Home Investment Zone (HB 462) 3 fields
Effective
2022-05-04
Authority
state · scope: state:UT
Open detail →
Utah SB 174 — Single-Family Housing Modifications (2022) 1 field
Effective
2022-05-04
Authority
state · scope: state:UT
Open detail →
Utah HB 82 — Internal ADU Mandate (2021) 2 fields
Effective
2021-10-01
Authority
state · scope: state:UT
Open detail →
Utah Moderate Income Housing Plan (MIH) Framework 1 field
Effective
2019-05-14
Authority
state · scope: state:UT
Open detail →
Virginia · overlay roll-up · codes · 21 laws
Virginia 2024-2025 Housing Preemption Bills (Status: None Enacted) 0 fields
Effective
2026-05-19
Authority
state · scope: state:VA
Open detail →
Virginia Small Cell Wireless Facility Preemption (§§15.2-2316.3 / 15.2-2316.4) 4 fields
Effective
2017-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Stormwater Management Program (VSMP) 3 fields
Effective
2014-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Military Air Installation Influence Areas (§15.2-2294) 2 fields
Effective
2005-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Local Hazard Mitigation Plan Integration (44 CFR 201.6 / Va. Code §44-146.18:2) 1 field
Effective
2000-10-30
Authority
state · scope: state:VA
Open detail →
Virginia Family Day Home Preemption (§15.2-2292) 2 fields
Effective
1993-07-01
Authority
state · scope: state:VA
Open detail →
Virginia RPA 100-ft Riparian Buffer (Chesapeake Bay Preservation Act) 2 fields
Effective
1989-09-01
Authority
state · scope: state:VA
Open detail →
Virginia Floodplain Management — NFIP Coordination (Va. Code §10.1-600 et seq.) 3 fields
Effective
1989-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Group Home / Assisted Living Preemption (§15.2-2291) 2 fields
Effective
1989-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Chesapeake Bay Preservation Act — RPA / RMA Overlay 3 fields
Effective
1988-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Dam Safety Act — Dam Break Inundation Zone Overlay 2 fields
Effective
1982-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Right-to-Farm Act (§3.2-301) 2 fields
Effective
1981-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Public Beach Conservation and Development 1 field
Effective
1980-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Voluntary Settlement Agreements (§15.2-3400) 1 field
Effective
1979-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Agricultural and Forestal Districts (§15.2-4300 et seq.) 2 fields
Effective
1977-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Airport Overlay District Enabling Authority (§15.2-2295) 2 fields
Effective
1976-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Erosion and Sediment Control (ESC) Program 1 field
Effective
1973-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Coastal Resources Management — Tidal Wetlands & Subaqueous Lands 2 fields
Effective
1972-07-01
Authority
state · scope: state:VA
Open detail →
Virginia Scenic Rivers — Designated River Segments 1 field
Effective
1970-04-01
Authority
state · scope: state:VA
Open detail →
Virginia Historic District Enabling Authority (§15.2-2306) 2 fields
Effective
1968-04-01
Authority
state · scope: state:VA
Open detail →
Virginia Byways and Scenic Highways (§33.2-405) 2 fields
Effective
1966-07-01
Authority
state · scope: state:VA
Open detail →
Vermont · overlay roll-up · codes · 12 laws
Vermont Act 181 of 2024 — Tier-Based Act 250 Jurisdiction Framework 2 fields
Effective
2024-06-17
Authority
state · scope: state:VT
Open detail →
Vermont Act 181 of 2024 — Raised Act 250 Housing Thresholds in Designated Areas 1 field
Effective
2024-06-17
Authority
state · scope: state:VT
Open detail →
Vermont Act 47 of 2023 (HOME Act) — Duplex By-Right on Sewer-and-Water-Served Lots 3 fields
Effective
2023-07-01
Authority
state · scope: state:VT
Open detail →
Vermont Act 47 of 2023 (HOME Act) — 4 Units By-Right in Chapter 76A Designated Areas 5 fields
Effective
2023-07-01
Authority
state · scope: state:VT
Open detail →
Vermont Act 47 of 2023 (HOME Act) — ADU By-Right on Every Single-Family Lot 4 fields
Effective
2023-06-05
Authority
state · scope: state:VT
Open detail →
Vermont Act 47 of 2023 (HOME Act) — One Parking Space Per Dwelling Unit Cap 1 field
Effective
2023-06-05
Authority
state · scope: state:VT
Open detail →
Vermont Act 47 of 2023 (HOME Act) — Zoning Appeals Standing Reform 2 fields
Effective
2023-06-05
Authority
state · scope: state:VT
Open detail →
24 V.S.A. § 4412 — Required Provisions and Prohibited Effects (Baseline Non-Exclusion) 5 fields
Effective
2005-07-01
Authority
state · scope: state:VT
Open detail →
24 V.S.A. Chapter 76A — Designated Areas (Downtown / Village Center / NDA / Growth Center) 2 fields
Effective
1998-06-15
Authority
state · scope: state:VT
Open detail →
Vermont Manufactured Housing & Mobile Home Park Protection — 10 V.S.A. Ch. 153 + 24 V.S.A. § 4412(1)(B) 3 fields
Effective
1988-07-01
Authority
state · scope: state:VT
Open detail →
Vermont Act 250 (10 V.S.A. Ch. 151) — Parallel State Land Use Permit 1 field
Effective
1970-04-04
Authority
state · scope: state:VT
Open detail →
24 V.S.A. § 4413 — Limited Review of Institutional and Public Uses 2 fields
Effective
1968-07-01
Authority
state · scope: state:VT
Open detail →
Washington · overlay roll-up · codes · 8 laws
Washington HB 1110 — Middle Housing (Tier 1: cities >=75,000) 6 fields
Effective
2024-07-01
Authority
state · scope: state:WA
Open detail →
Washington HB 1110 — Middle Housing (Tier 2: cities 25,000-75,000) 6 fields
Effective
2024-07-01
Authority
state · scope: state:WA
Open detail →
Washington HB 1110 — Middle Housing (Tier 3: small cities in Tier 1 UGA) 3 fields
Effective
2024-07-01
Authority
state · scope: state:WA
Open detail →
Washington SB 5184 — Lot Splitting for Housing Capacity 2 fields
Effective
2024-07-01
Authority
state · scope: state:WA
Open detail →
Washington SB 5290 — Local Permit Review Timelines 4 fields
Effective
2024-01-01
Authority
state · scope: state:WA
Open detail →
Washington HB 1337 — Accessory Dwelling Units Statewide 7 fields
Effective
2023-07-23
Authority
state · scope: state:WA
Open detail →
Washington E2SHB 1220 — Comprehensive Plan Housing Obligations 5 fields
Effective
2021-07-25
Authority
state · scope: state:WA
Open detail →
Washington Growth Management Act — Zoning for Growth Targets 2 fields
Effective
1990-07-01
Authority
state · scope: state:WA
Open detail →
Wisconsin · overlay roll-up · codes · 18 laws
Wisconsin Livestock Facility Siting — Wis. Stat. § 93.90 + ATCP 51 (CAFO preemption) 2 fields
Effective
2006-05-01
Authority
state · scope: state:WI
Open detail →
Wisconsin Nonmetallic Mining (Frac Sand) Reclamation — Wis. Stat. Ch. 295 + NR 135 2 fields
Effective
2001-12-12
Authority
state · scope: state:WI
Open detail →
Lower Wisconsin State Riverway — Wis. Stat. § 30.40 et seq. 3 fields
Effective
1989-08-09
Authority
state · scope: state:WI
Open detail →
Wisconsin Local Historic Preservation — Wis. Stat. § 44.44 (Certified Ordinance) 2 fields
Effective
1987-04-25
Authority
state · scope: state:WI
Open detail →
Fort McCoy / Volk Field AICUZ + Military Influence Area — federal/local coordination 2 fields
Effective
1985-01-01
Authority
federal · scope: state:WI
Open detail →
Wisconsin Brownfield Response / Spill Law — Wis. Stat. § 292.11 + DNR RR Program 2 fields
Effective
1978-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin Farmland Preservation — Wis. Stat. Ch. 91 2 fields
Effective
1977-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin Tax Increment Law (TIF) — Wis. Stat. § 66.1105 2 fields
Effective
1975-12-04
Authority
state · scope: state:WI
Open detail →
Lower St. Croix National Scenic Riverway — Wis. Stat. § 30.27 1 field
Effective
1973-10-25
Authority
state · scope: state:WI
Open detail →
Apostle Islands National Lakeshore — Federal (NPS) overlay in Bayfield County 2 fields
Effective
1970-09-26
Authority
federal · scope: state:WI
Open detail →
Wisconsin Shoreland Zoning — Wis. Stat. § 59.692 + NR 115 3 fields
Effective
1966-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin Shoreland-Wetland Zoning — Wis. Stat. § 281.31 + NR 117 2 fields
Effective
1966-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin Floodplain Zoning — Wis. Stat. § 87.30 + NR 116 3 fields
Effective
1965-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin Wild Rivers System — Wis. Stat. § 30.26 2 fields
Effective
1965-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin Airport Approach Protection / Height-Hazard Zoning — Wis. Stat. §§ 114.135, 114.136 2 fields
Effective
1947-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin Town Zoning — Wis. Stat. §§ 60.61, 60.62 2 fields
Effective
1933-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin County Zoning — Wis. Stat. § 59.69 2 fields
Effective
1929-01-01
Authority
state · scope: state:WI
Open detail →
Wisconsin City Planning & Zoning Enabling Act — Wis. Stat. § 62.23 4 fields
Effective
1923-01-01
Authority
state · scope: state:WI
Open detail →
West Virginia · overlay roll-up · codes · 9 laws
Federal Protected Lands — New River Gorge NP, Monongahela NF, USACE Locks/Dams 2 fields
Effective
2020-12-27
Authority
federal · scope: state:WV
Open detail →
W. Va. Code §22-6A — Horizontal Well Control Act (Marcellus/Utica Preemption) 5 fields
Effective
2011-12-14
Authority
state · scope: state:WV
Open detail →
W. Va. Code §8-1-5a — Municipal Home Rule Program (Authority Expansion) 2 fields
Effective
2007-07-01
Authority
state · scope: state:WV
Open detail →
W. Va. Code Chapter 8A — Land Use Planning Act (Enabling + Dillon's Rule Cap) 4 fields
Effective
2004-07-01
Authority
state · scope: state:WV
Open detail →
W. Va. Code §8A-7-8 — County Zoning Voter Referendum Requirement 2 fields
Effective
2004-07-01
Authority
state · scope: state:WV
Open detail →
W. Va. Code §22-3 — Surface Coal Mining and Reclamation Act (SMCRA Primacy) 3 fields
Effective
1977-08-03
Authority
state · scope: state:WV
Open detail →
WV Floodplain Management — NFIP Participation Mandate 2 fields
Effective
1973-12-31
Authority
state · scope: state:WV
Open detail →
W. Va. Code §8-12-5(16) — Manufactured Housing Nondiscrimination Floor 3 fields
Effective
1969-07-01
Authority
state · scope: state:WV
Open detail →
WV SB 187 / HB 4115 (2026) — Housing Opportunity Act (Duplex By-Right, PENDING) 1 field
Effective
—
Authority
state · scope: state:WV
Open detail →
Wyoming · overlay roll-up · codes · 10 laws
Wyoming HB 2 / 2026 — Fast Track Permits Act (Residential Permit Shot-Clock) 3 fields
Effective
2026-07-01
Authority
state · scope: state:WY
Open detail →
Wyoming §18-5-501 — County-Primacy Siting Authority for Wind and Solar 2 fields
Effective
2010-03-09
Authority
state · scope: state:WY
Open detail →
Wyoming Sage-Grouse Core Area Strategy (Executive Order) 2 fields
Effective
2008-08-01
Authority
state · scope: state:WY
Open detail →
Wyoming §15-1-103(a)(xix) — Manufactured Housing Parity in Single-Family Districts 2 fields
Effective
1991-07-01
Authority
state · scope: state:WY
Open detail →
Wyoming §35-20 — Uniform Standards Code for Factory-Built Residential Dwellings 1 field
Effective
1981-05-22
Authority
state · scope: state:WY
Open detail →
Wyoming Industrial Siting Act — State Review of Large Industrial Projects 2 fields
Effective
1975-05-23
Authority
state · scope: state:WY
Open detail →
Wyoming §18-5-301 — 35-Acre Subdivision Exemption 1 field
Effective
1975-04-01
Authority
state · scope: state:WY
Open detail →
Wyoming §18-5-201(a) — Agricultural Exemption from County Zoning 1 field
Effective
1975-04-01
Authority
state · scope: state:WY
Open detail →
Wyoming Constitution Art. 13 §1 — First-Class City Home Rule (Limited) 1 field
Effective
1972-11-07
Authority
state · scope: state:WY
Open detail →
Wyoming Oil & Gas Surface-Use Preemption (WOGCC + DEQ) 3 fields
Effective
1951-02-23
Authority
state · scope: state:WY
Open detail →