Texas Fire Code, Explained

The structure

There is no single "Texas Fire Code." Fire-protection requirements in Texas are layered:

1. NFPA standards (NFPA 13, 25, 72, 96, 2001, etc.) — written by the National Fire Protection Association, adopted by reference under state and local code.
2. International Fire Code (IFC) — written by the International Code Council. Texas Local Government Code §233.061 requires the most recent IFC edition in the unincorporated areas of Texas counties with population over 250,000 (effective 2025: the 2024 IFC).
3. Texas Administrative Code (TAC) Title 28 — the State Fire Marshal's Office (SFMO) adopts NFPA standards by reference for contractor licensing (alarm Chapter 34, sprinkler Chapter 36, extinguisher Chapter 35).
4. Local fire code adoption — cities and home-rule municipalities adopt their own edition of the IFC with local amendments. Dallas, Fort Worth, Houston, Austin, San Antonio all have their own amendments.

Who's your AHJ?

The "Authority Having Jurisdiction" — AHJ — is the entity enforcing fire code at your building. In Texas, this is usually:

• The local fire marshal's office for incorporated cities
• The county fire marshal or SFMO for unincorporated areas
• The state agency for certain institutional occupancies (state-owned buildings, certain schools, certain healthcare facilities)
• The insurance carrier, in practice, for buildings whose carrier imposes requirements stricter than code

Use our Texas AHJ Lookup to find the AHJ for your address.

When multiple authorities apply — which one wins?

The general rule: the most stringent requirement applies. If the IFC requires sprinklers above 5,000 ft² and your local amendment requires them above 3,000 ft², your building needs sprinklers above 3,000 ft². If your insurance carrier requires quick-response heads in light-hazard occupancies and code allows standard-response, your carrier's requirement wins.

What the SFMO actually governs

The Texas State Fire Marshal's Office sits within the Texas Department of Insurance. The SFMO governs:

• Contractor licensing — Alarm Contractor Registration (ACR), Sprinkler Contractor Registration (SCR), Extinguisher Contractor Registration (ECR)
• Licensed individual technicians — RME (Responsible Managing Employee), license endorsements, continuing education
• Fire-protection plan review for state-owned buildings and certain regulated occupancies
• Investigations of fire incidents in certain categories

The SFMO does not typically perform local building inspections — that's the local fire marshal's role.

The most useful single sentence

Before you take any code question to the internet, ask your AHJ. They're the one signing your inspection. If they disagree with the NFPA standard, the NFPA standard doesn't help you. We help building owners navigate this conversation when it gets contested.