Arizona Building code adoption
Home rule — cities adopt independently · 8 cities tracked · 0 with amendments.
Overview
Governance
Home Rule
Cities tracked
8
There is no binding state edition. Each city picks its own IBC/IRC/etc. cycle, which means a single metro can sit on 4+ different editions at once.
Adopted building codes (state level)
Home rule — cities adopt independently. Click a code to open its full adoption atlas across all 50 states.
City-level adoption
| City | IBC edition | Amendments | Note |
|---|---|---|---|
| Gilbert | 2018 | — | — |
| Glendale | 2024 | — | — |
| Mesa | 2024 | — | — |
| Peoria | 2018 | — | — |
| Phoenix | 2024 | — | — |
| Scottsdale | 2021 | — | — |
| Tempe | 2018 | — | — |
| Tucson | 2024 | — | — |
Quirks & watch-items
Quirks & watch-items
- AZ is the widest-spread home rule state in our atlas: 3 different IBC editions across 9 cities
- Phoenix made a huge 2-cycle jump from 2018 to 2024 IBC (skipping 2021) in June 2025
- Glendale also jumped from 2018 to 2024 (skipping 2021)
- Scottsdale adopted 2021 IgCC as MANDATORY — one of few cities nationally
- AZ state law (A.R.S. 9-807) prohibits cities from requiring fire sprinklers in 1-2 family dwellings