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Plain-English help with the Montgomery County Fire Code, fire marshal inspections and fire code permits, plus security systems for businesses and homes across the county.
Montgomery County was home to an estimated 724,095 people in 2025, and large parts of it sit outside city limits, in unincorporated areas where the Montgomery County Fire Marshal's Office is the fire code authority. If you are building, expanding or changing the use of a commercial property here, your fire alarm system will be reviewed and inspected against the County Fire Code.
Alarm Masters is not the fire marshal, and we will never pretend to be. What we are is a licensed, family-owned fire alarm and security company that has been protecting Texas since 1990, holding Texas Fire Alarm License #ACR-1975 and Texas State License #B-06372. We design systems to the adopted code, prepare drawings for review, install and program the equipment, test everything before the inspector arrives, and then monitor and maintain the system for years after.
Our headquarters is in nearby Spring, and our team has completed 3,000+ projects and monitors 5,000+ clients. Every service request is backed by a 48-hour guaranteed turnaround, which is a real comfort when an inspection deadline is close.
Homeowners across the county can count on us too, for monitored burglar alarms, fire and carbon monoxide monitoring, cameras and smart home upgrades.
We engineer fire alarm systems to the County Fire Code and NFPA 72, with shop drawings ready for approval before installation starts. Our design service covers new buildings, interior build-outs and changes of occupancy.
Licensed technicians test every device to NFPA 72 through our inspection and testing service, so problems are found and fixed before a final inspection. Our checklist for preparing for fire alarm inspections is a useful starting point.
Round-the-clock fire alarm monitoring over cellular communicators tracks alarm, supervisory and trouble signals, so impairments are caught early.
We add access control and gate control, video surveillance with live and AI monitoring, burglar alarms, intercom and PA and emergency notification, all from one team.
We protect homes with monitored alarms and cameras, and our service and repair crew will gladly adopt fire, video, access or burglar systems that another installer left behind.
Under authority of state law, Montgomery County has adopted a County Fire Code. The current version is the 2024 International Fire Code, with local amendments and several appendices, effective May 14, 2025. One- and two-family homes and small multifamily buildings of three or fewer units are excluded, so the code focuses on public and commercial buildings and larger multifamily properties.
The county's permitting guidance says an approved Fire Code Permit is required before any new construction, including interior build-outs of previously permitted buildings. Substantial improvements also trigger a permit, meaning work costing more than 50% of the building's appraised value or a change in occupancy classification. Fire protection plans are submitted by your fire protection contractor once selected, and the adopted code says no fire protection work may start at a new construction site without a permit.
A final inspection and a Certificate of Compliance are required before a building can be occupied. Any building with a fire alarm or sprinkler system is expected to have a county-approved key box, and lock boxes for gated communities and multi-unit housing. For fire code questions, the Fire Marshal's Office can be reached at fire.codes@mctx.org.
Montgomery County was created in 1837, and Conroe is the county seat. Today the county mixes incorporated cities with large unincorporated communities, and the fire code authority changes depending on where your property sits.
Across the county we work with warehouses and industrial sites, apartment communities, schools, senior living and construction sites.
Its fire inspectors inspect commercial, industrial, education and multifamily buildings, and they test fire protection systems for proper installation and operation. The office also reviews plans and meets with builders and architects. A licensed fire alarm company helps you arrive at that inspection with a system that has already been tested.
The county adopted the 2024 International Fire Code, including several appendices, with an effective date of May 14, 2025. We design new fire alarm systems and modifications to that code and to NFPA 72.
Usually, yes. The county's guidance says interior build-outs of previously permitted buildings need an approved Fire Code Permit, and so do substantial improvements or changes of occupancy. Very small projects under 500 square feet do not need a fire code permit but must still follow the code.
No. Inside Conroe, the City of Conroe Fire Marshal's Office is the authority. The county fire marshal enforces the code in unincorporated areas, which includes The Woodlands.
The county requires a final inspection and a Certificate of Compliance with the County Fire Code before a building can be legally occupied. We test and document your fire alarm beforehand so there are no surprises.
The county calls for a key box on buildings with a fire alarm or sprinkler system, and lock boxes for gated communities and multi-unit housing. Authorization to order the equipment comes through the fire department or Fire Marshal's Office, and we can plan for it in your project.
Explore our pages for Conroe, The Woodlands, Spring and fire alarm monitoring in The Woodlands, or neighboring Harris County. Learn what goes into a fire alarm system, then get a free estimate from our team.
Partner with Alarm Masters to secure your business with trusted fire and security solutions. Request a free, no-obligation estimate and experience the service quality that’s protected Texas for over 35 years.
support@thealarmmasters.com281-933-390026009 Budde Rd C100 Spring, TX 77380Texas State License #B-06372
Texas State Fire Alarm License #ACR-1975
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