Zoning › State overlays › Massachusetts

Massachusetts State overlays

All 19 tracked preemption laws for Massachusetts.

Overview

All tracked preemption laws for Massachusetts. Click any law for its trigger predicate, preempted fields, and source citation.

Laws tracked
19
Preempted fields
41
Required city attrs
18
Last reviewed
2026-05-19
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Tracked laws

Massachusetts Chapter 40Y — Starter Home Zoning Districts (Opt-In)0 fields
Effective
2023-04-04
Authority
state · scope: state:MA
ID
MA_40Y_STARTER_HOMES_OPT_IN
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Massachusetts MBTA Communities Act — Multi-Family Zoning Requirement (MGL c. 40A §3A)4 fields
Effective
2021-01-14
Authority
state · scope: state:MA
ID
MA_40A_3A_MBTA_COMMUNITIES
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Massachusetts Chapter 40S — Smart Growth School Cost Reimbursement0 fields
Effective
2005-11-22
Authority
state · scope: state:MA
ID
MA_40S_SMART_GROWTH_SCHOOL_REIMBURSEMENT
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Massachusetts Chapter 40R — Smart Growth Zoning Overlay District (Opt-In)0 fields
Effective
2004-06-30
Authority
state · scope: state:MA
ID
MA_40R_SMART_GROWTH_OPT_IN
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Massachusetts Rivers Protection Act — Riverfront Area (MGL c. 131 §40)2 fields
Effective
1996-08-07
Authority
state · scope: state:MA
ID
MA_RIVERS_PROTECTION_ACT
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Boston Planning Department (former BPDA) Article 80 Development Review4 fields
Effective
1996-01-01
Authority
state · scope: city:boston
ID
MA_BOSTON_ARTICLE_80
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Massachusetts Outstanding Resource Waters & DCR Watershed Protection2 fields
Effective
1992-01-01
Authority
state · scope: state:MA
ID
MA_OUTSTANDING_RESOURCE_WATERS
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Cape Cod Commission Regional Land Use Authority (St. 1989, c. 716)2 fields
Effective
1990-01-01
Authority
state · scope: region:cape_cod
ID
MA_CAPE_COD_COMMISSION
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Massachusetts Solar PV Siting — DOER Statutory Preference (MGL c. 40A §3 ¶9)2 fields
Effective
1985-09-30
Authority
state · scope: state:MA
ID
MA_SOLAR_PV_SITING_DOER
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Massachusetts Coastal Zone Management Program (MGL c. 21A §4A)2 fields
Effective
1978-06-01
Authority
state · scope: state:MA
ID
MA_COASTAL_ZONE_MANAGEMENT
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Massachusetts Designated Port Areas (DPAs) — Chapter 91 Tidelands (MGL c. 91)2 fields
Effective
1978-01-01
Authority
state · scope: state:MA
ID
MA_DESIGNATED_PORT_AREAS
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Martha's Vineyard Commission Regional Land Use Authority (St. 1977, c. 831)2 fields
Effective
1977-08-22
Authority
state · scope: region:marthas_vineyard
ID
MA_MARTHAS_VINEYARD_COMMISSION
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Massachusetts Chapter 40A — Zoning Enabling Act (Framework)3 fields
Effective
1975-12-22
Authority
state · scope: state:MA
ID
MA_40A_ZONING_ENABLING
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Massachusetts Affordable Housing Overlay Enabling (MGL c. 40A §9)0 fields
Effective
1975-12-22
Authority
state · scope: state:MA
ID
MA_40A_9_AFFORDABLE_HOUSING_OVERLAY
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Massachusetts Areas of Critical Environmental Concern (ACEC) (MGL c. 21A §2(7))2 fields
Effective
1975-01-01
Authority
state · scope: state:MA
ID
MA_ACEC_AREAS_CRITICAL_ENVIRONMENTAL_CONCERN
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Massachusetts Environmental Policy Act (MEPA) — Project Review Thresholds (MGL c. 30 §§61-62I)3 fields
Effective
1972-12-15
Authority
state · scope: state:MA
ID
MA_MEPA_REVIEW
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Massachusetts Wetlands Protection Act (MGL c. 131 §40)3 fields
Effective
1972-07-01
Authority
state · scope: state:MA
ID
MA_WETLANDS_PROTECTION_ACT
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Massachusetts Chapter 40B — Comprehensive Permit / Low and Moderate Income Housing Act6 fields
Effective
1969-08-23
Authority
state · scope: state:MA
ID
MA_40B_COMPREHENSIVE_PERMIT
Open detail →
Massachusetts Historic Districts Act (MGL c. 40C) — Local Historic Districts2 fields
Effective
1960-08-26
Authority
state · scope: state:MA
ID
MA_HISTORIC_DISTRICTS_40C
Open detail →

Required city attributes

Required city attributes

The evaluator needs these city-level facts present to resolve whether a given law's predicate fires.

  • population
  • county_population
  • subsidized_housing_inventory_pct
  • is_mbta_community
  • mbta_community_category
  • mbta_compliance_status
  • zoning_article_97_coverage
  • transit_proximity_flags.has_qualifying_mbta_stop
  • is_in_cape_cod_commission_jurisdiction
  • is_in_marthas_vineyard_commission_jurisdiction
  • has_designated_port_area
  • has_acec
  • has_local_historic_district
  • has_local_cultural_district
  • in_dcr_watershed_protection_area
  • has_adopted_40r_district
  • has_adopted_40y_district
  • is_city_of_boston