Overview
Preemption classification
Tier D — Restricts locals
Oil & gas preemption is the primary lever (historically pro-fracking). Home Rule Amendment limits state authority over cities generally, but drilling is an exception. Not a housing preemption state.
Governance
Statewide
Building and zoning code adoption is mandated at the state level.
Adopted building codes
Statewide
View building-code adoption for Ohio →
5 of 5 codes adopted (IBC, IRC, IECC, IFC, NEC)
Profiled counties
Cities
Showing 14 of 14
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| Akron | — | City of Akron Codified Ordinances, Title 15 Land Usage, Chapter 153 — Zoning Code · 8 districts | V2 ✓ | data:gaps-present |
| Athens | — | Athens City Code (ACC) Title 23 — Zoning Code (city) and Title 25.05 — Flood Hazard · 6 districts | V2 ✓ | data:gaps-present |
| Canton | — | Codified Ordinances of the City of Canton, Ohio — Part Eleven (Planning and Zoning Code), Chapters 1131–1149 · 10 districts | V2 ✓ | cohort:needs-dom-retrievalfreshness:stableblocker:amlegaldata:gaps-present |
| Chillicothe | — | City of Chillicothe Unified Development Code (UDC) — adopted by Ordinance 59-25, passed October 3, 2025, effective December 1, 2025. Repealed prior Part Eleven Planning and Zoning Code (Chapters 1133/1135/1137 et seq.). · 11 districts | V2 ✓ | data:gaps-present |
| Cincinnati | — | City of Cincinnati Municipal Code, Title XI — Zoning Code of Cincinnati (Chapters 1400–1449) + Land Development Code (LDC, Chapter 1700-series form-based transect zones in designated NBDs) · 21 districts | V2 ✓ | data:gaps-present |
| Cleveland | — | City of Cleveland Codified Ordinances, Part Three — Land Use Code, Title VII — Zoning Code · 11 districts | V2 ✓ | data:gaps-present |
| Columbus | — | City of Columbus Code of Ordinances, Title 33 — Zoning Code (predominant) + Title 34 — 2024 Zoning Code (active for legislatively rezoned parcels) · 35 districts | V2 ✓ | data:gaps-present |
| Dayton | — | City of Dayton Zoning Code — Revised Code of General Ordinances (R.C.G.O.) Title XV (Land Usage), Chapter 150 (Zoning). Originally enacted by Ordinance 30515-05, effective August 1, 2006. Amended through Ordinance 32158-25 effective September 17, 2025 (most recent amendment captured in the city-hosted PDF used for this pass). · 23 districts | V2 ✓ | data:gaps-present |
| Hamilton | — | Hamilton Zoning Ordinance (Ord. No. 7503, originally adopted June 9, 1971; continuously amended through May 30, 2025) · 24 districts | V2 ✓ | data:parking-ratios-pendingdata:overlay-boundaries-pending |
| Kettering | — | City of Kettering Zoning Code (Codified Ordinances Part Eleven, Chapters 1131–1163) · 13 districts | V2 ✓ | |
| Lancaster | — | City of Lancaster Zoning Code (Part Eleven, Title Three — Chapters 1121–1161 of the Lancaster Codified Ordinances). Wholesale rewrite adopted by Ordinance 14-23 / Permanent Ordinance 15, passed August 14, 2023, recommended by Lancaster Planning Commission August 10, 2023; repealed and replaced prior Chapters 1121–1161 + Appendices B and C in their entirety. · 12 districts | V2 ✓ | codifier-lag-amlegal |
| Middletown | — | City of Middletown Development Code — Codified Ordinances Part Twelve, Chapter 1204 (Zoning Districts and Use Regulations) and related chapters (1202 General Provisions, 1206 Accessory/Temporary Uses, 1212 Historic Preservation, 1218 Parking, 1226 Administration). Originally adopted by City Council Dec 27, 1968 (Ordinance 4886); zoning-district nomenclature comprehensively recodified effective March 1, 2018 (Table 1204-2 Transition Table); most recent recorded amendment Ordinance O2020-47 (Oct 6, 2020). · 24 districts | V2 ✓ | data:gaps-present |
| Toledo | — | Toledo Municipal Code (TMC), Part Eleven — Planning and Zoning Code (originally adopted Ord. 170-04, effective June 6, 2004; continuously amended through Ord. 481-24 passed 09-25-2024) · 19 districts | V2 ✓ | data:use-table-pendingdata:uno-corridor-tables-pendingdata:landscape-sign-chapter-pending |
| Zanesville | — | City of Zanesville Codified Ordinances — Part Eleven, Planning and Zoning Code (Chapters 1101–1199). Codified by American Legal Publishing; current text reflects amendments through April 28, 2025. NOT recently rewritten (unlike Chillicothe, whose Part Eleven was repealed and replaced by a UDC effective 2025-12-01 — Zanesville retains the long-standing chapter-based Part Eleven structure). · 3 districts | V2 ✓ | data:gaps-presentretrieval:cloudflare-blocks-amlegal-deep-sectionsretrieval:dimensional-tables-not-captured |
Research status
Data quality
100%completeness14 confirmed