Arizona · Fire code

The fire code in force in Arizona now.

State Fire Code: IFC 2024 (with listed appendices) as modified by A.A.C. R4-36 Article 3, effective Apr 13, 2026 (R4-36-201, 32 A.A.R. 558). Enforced by DFFM Office of the State Fire Marshal: statewide enforcement and plan review for state, county and public-school buildings and areas without a local fire code; cities of 100,000+ that assumed jurisdiction (and other local fire officials) enforce their own adopted codes. Verified on the primary source, re-checked weekly.

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Fire code in Arizona

Verified on the source

In force

State Fire Code: IFC 2024 (with listed appendices) as modified by A.A.C. R4-36 Article 3, effective Apr 13, 2026 (R4-36-201, 32 A.A.R. 558)

Statewide minimum fire code adopted by the state forester through the State Fire Marshal (A.R.S. 37-1383); replaced IFC 2018. Cities of 100,000+ with their own code may assume enforcement by ordinance; local codes must be equal or stricter.

Source: primary document

Who enforces it

DFFM Office of the State Fire Marshal: statewide enforcement and plan review for state, county and public-school buildings and areas without a local fire code; cities of 100,000+ that assumed jurisdiction (and other local fire officials) enforce their own adopted codes

Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.

What changes next

IFC 2024 since Apr 13, 2026

In force since Apr 13, 2026; A.R.S. 37-1392 (effective Sep 12, 2026) lets a city enforce its own fire code in county-owned buildings via an agreement with the State Fire Marshal

The federal layer

No federal fire code applies to a private building; OSHA's exit-route, fire-extinguisher and emergency-plan rules (29 CFR 1910 Subparts E and L) apply to every employer alongside the state fire code.

Questions about the fire code in Arizona

Which fire code applies in Arizona today?

State Fire Code: IFC 2024 (with listed appendices) as modified by A.A.C. R4-36 Article 3, effective Apr 13, 2026 (R4-36-201, 32 A.A.R. 558). Statewide minimum fire code adopted by the state forester through the State Fire Marshal (A.R.S. 37-1383); replaced IFC 2018. Cities of 100,000+ with their own code may assume enforcement by ordinance; local codes must be equal or stricter.

Who enforces the fire code in Arizona?

DFFM Office of the State Fire Marshal: statewide enforcement and plan review for state, county and public-school buildings and areas without a local fire code; cities of 100,000+ that assumed jurisdiction (and other local fire officials) enforce their own adopted codes.

What changes next for the fire code in Arizona?

IFC 2024 since Apr 13, 2026. In force since Apr 13, 2026; A.R.S. 37-1392 (effective Sep 12, 2026) lets a city enforce its own fire code in county-owned buildings via an agreement with the State Fire Marshal