Overview
Preemption classification
Tier E — Light preemption
Rent control preemption. Dillon Rule state — cities have no zoning authority the state hasn't granted.
Governance
Statewide
Building and zoning code adoption is mandated at the state level.
Adopted building codes
Statewide
City-level IBC adoptions (3)
| City | IBC | Amendment notes |
|---|---|---|
| Huntsville | 2018 | |
| Mobile | 2021 | |
| Montgomery | 2021 |
View building-code adoption for Alabama →
4 of 5 codes adopted (IBC, IRC, IFC, NEC)
Profiled counties
Cities
Showing 4 of 4
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| Birmingham | — | City of Birmingham Zoning Ordinance, Appendix D to the Code of Ordinances · 40 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
| Huntsville | — | Huntsville City Code, Chapter 62 (Zoning), Chapter 65 (Overlay Districts) and related chapters · 20 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
| Mobile | — | Unified Development Code (UDC) / Chapter 64 - ZONING · 7 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
| Montgomery | — | City of Montgomery Code — Ordinance 45-85 + SmartCode (Jan 2025) · 13 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
Research status
Data quality
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