What building code does Tucson, AZ use?
Tucson, AZ currently enforces the 2024 International Building Code. Tucson adopts its own code editions. Tucson skipped the 2021 cycle, jumping from the 2018 to the 2024 I-Codes plus 2023 NEC (approved June 3, 2025, local amendments via Ordinance #12171, mandatory for applications after Dec 31, 2025), with the 2024 IECC adopted separately Dec 16, 2025 and in force since July 1, 2026.
Adopted codes
| Scope | Code | Edition |
|---|---|---|
| Building | International Building Code (with local amendments) | 2024 |
| Residential | International Residential Code (with local amendments) | 2024 |
| Fire | International Fire Code (with local amendments) | 2024 |
| Mechanical | International Mechanical Code (with local amendments) | 2024 |
| Plumbing | International Plumbing Code (with local amendments) | 2024 |
| Electrical | National Electrical Code (NFPA 70) (with local amendments) | 2023 |
| Energy | International Energy Conservation Code (with local amendments) | 2024 |
| Other | International Existing Building Code (with local amendments) | 2024 |
Current adoptions effective 2026-01-01.
Permits: Tucson permitting office
Get this data as JSON
curl https://codes.submittal.app/api/v1/cities/tucson.json
Confidence: high · Verified against official sources:
- https://www.tucsonaz.gov/Departments/Planning-Development-Services/Codes/Building-Codes
- https://www.tucsonaz.gov/Departments/Planning-Development-Services/PDSD-News/Updated-Building-Codes-Now-in-Effect
- https://www.tucsonaz.gov/Departments/Planning-Development-Services/PDSD-News/Updated-Building-Codes-Adopted-Effective-January-1
- https://www.tucsonaz.gov/files/sharedassets/public/v/1/pdsd/documents/building-code/2024-international-energy-conservation-code-amendments.pdf
Part of the open building-codes dataset (CC BY 4.0). See also: Arizona statewide adoptions.