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

ScopeCodeEdition
BuildingInternational Building Code (with local amendments)2024
ResidentialInternational Residential Code (with local amendments)2024
FireInternational Fire Code (with local amendments)2024
MechanicalInternational Mechanical Code (with local amendments)2024
PlumbingInternational Plumbing Code (with local amendments)2024
ElectricalNational Electrical Code (NFPA 70) (with local amendments)2023
EnergyInternational Energy Conservation Code (with local amendments)2024
OtherInternational 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:

Part of the open building-codes dataset (CC BY 4.0). See also: Arizona statewide adoptions.