📞 855.ZIONFIRE 24/7 Emergency Customer Portal Pay Invoice Careers

Fire protection in Houston, Texas.

Houston, Harris County. Texas's largest metro. Petrochemical, healthcare (TMC), hospitality, corporate. We dispatch from our McKinney HQ for routine work and statewide for any AHJ-driven emergency.

What we do in Houston

Zion runs full-service fire protection in Houston — design, installation, inspection-testing-maintenance, monitoring, ERCES/BDA, and code consulting. We respond to Houston for ITM, system upgrades, specialty hazards, and AHJ-driven emergencies.

Houston AHJ — verified code adoption

Verified from primary source. For the exact ERCES trigger criteria and plan-review specifics for Houston, run Building Signal Check. The City of Houston adopted the 2021 International Codes, including the IFC, via Ordinance No. 2023-907, with an effective date of January 2, 2024. Amendments are codified in the Houston Fire Code. Harris County (unincorporated) also transitioned to the 2021 IFC effective January 1, 2025.

Fire code adopted
2021 IFC (effective January 2, 2024)
NFPA 72 edition
2019 NFPA 72 (referenced by 2021 IFC)
NFPA 1225 / ERCES
Referenced (IFC §510 enforced)
ERCES / IFC §510
Amended: Houston amendments to 2021 IFC §510 include specific compliance verification testing requirements by registered third-party inspectors. Buildings without basements and three stories or less in height with an aggregate area of 50,000 square feet or less are generally exempt from the required plan review and third-party verification process. Requirements include 12-hour standby battery capacity (or 2-hour if on a generator) and specific signal monitoring for power loss, low battery, and component failure.
Fire marshal
Houston Fire Marshal: 832-394-6900
Code source
View ordinance →
Last verified
July 22, 2026 (primary source)

See Houston on the interactive Texas AHJ map → · Check my building's ERCES scope in Houston →

Who we work with in Houston

Property managers, REITs, hotels, restaurants, healthcare facilities, churches, schools, multifamily owners, and general contractors. See Industries for the vertical-specific approach.

Get a quote or book service

Call 855.ZIONFIRE or request a quote online. For after-hours emergencies, the same number reaches dispatch 24/7.

One company. One report. One bill.

You shouldn't have to chase contractors to keep people safe.

We run every fire-protection system in your Texas building under one account. One technician team. One AHJ-ready report after each visit. One monthly bill. Start with a free 48-hour compliance audit — no commitment, no sales pitch, just a written answer to the question "are we compliant right now?"