Overview
Preemption classification
Tier C — Dual preemption
Pro-housing: HB 2720 (ADUs), HB 2110 (multifamily on 10% of commercial/mixed-use land). Restricts locals: bans inclusionary zoning, preempts local STR regulation and rent control. Classic dual-preemption red state.
Governance
Home rule
Cities set their own zoning and can adopt newer building codes than the state requires.
Adopted building codes
No statewide code; city-level
City-level IBC adoptions (8)
| City | IBC | Amendment notes |
|---|---|---|
| Gilbert | 2018 | |
| Glendale | 2024 | |
| Mesa | 2024 | |
| Peoria | 2018 | |
| Phoenix | 2024 | |
| Scottsdale | 2021 | |
| Tempe | 2018 | |
| Tucson | 2024 |
View building-code adoption for Arizona →
1 of 5 codes adopted (IFC)
Profiled counties
Cities
Showing 6 of 6
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| — | — | |||
| Buckeye | — | City of Buckeye Code of Ordinances, Chapter 7 — Development Code · 31 districts | V2 ✓ | freshness:volatiledata:gaps-present |
| Gilbert | — | Town of Gilbert Land Development Code (LDC), Chapter I — Zoning Code · 9 districts | V2 ✓ | freshness:volatiledata:gaps-present |
| Peoria | — | Peoria Zoning Ordinance (P.Z.O.), City Code Chapter 21 — Zoning · 7 districts | V2 ✓ | cohort:needs-dom-retrievalfreshness:volatileblocker:amlegalblocker:municode |
| Scottsdale | — | Appendix B — Basic Zoning Ordinance of the Scottsdale Revised Code · 42 districts | V2 ✓ | cohort:needs-dom-retrievalfreshness:volatileblocker:municodedata:gaps-present |
| Tempe | — | Tempe Zoning and Development Code (ZDC) · 28 districts | V2 ✓ | freshness:volatiledata:gaps-present |
Research status
Data quality
83%completeness5 confirmed