FEMA flood zone rules in Montgomery County, TX — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Montgomery County participates in FEMA's National Flood Insurance Program. The San Jacinto River Authority manages regional flood control including Lake Conroe. New floodplain regulations take effect October 1, 2025. All development within the 100-year floodplain requires a county development permit.
Montgomery County is a participating NFIP community and has adopted floodplain management ordinances meeting or exceeding FEMA minimum standards. The San Jacinto River Basin recorded the highest number of NFIP claims in Texas from 1975–2019. The SJRA manages Lake Conroe (water supply and flood control) and participates in the San Jacinto Regional Watershed Master Drainage Plan ($2.7M FEMA-funded study). All development within the 100-year floodplain or within 100 feet of the floodway requires a Montgomery County development permit. Structures must be elevated to at least 2 feet above Base Flood Elevation. New floodplain regulations effective October 1, 2025. Use FEMA's Flood Map Service Center (msc.fema.gov) to check flood zone status.
Construction below flood elevation: retroactive compliance required, fines $500 to $5,000. Floodway encroachment: removal order. Failure to maintain flood insurance: lender force-placement at higher cost.
Montgomery County, TX
Montgomery County has no countywide noise ordinance. Texas Penal Code §42.01 prohibits disorderly conduct including unreasonably loud noise. Residents in uni...
Montgomery County, TX
No county-level construction hour restrictions exist in unincorporated Montgomery County. State law and applicable building permit conditions govern construc...
Montgomery County, TX
Montgomery County does not regulate residential driveway design or materials in unincorporated areas through a countywide ordinance. Development permits are ...
Montgomery County, TX
Conroe requires electrical permits for Level 2 EV chargers. Texas Property Code §202.019 bars HOAs from prohibiting EV charging in Montgomery County. Unincor...
Montgomery County, TX
Montgomery County removes abandoned vehicles from public roads under TX Transportation Code Ch. 683 after 48 hours. Conroe Code Ch. 78 Art. III and The Woodl...
Montgomery County, TX
Montgomery County pools must meet TX Health & Safety Code Ch. 757 barrier rules: 48-inch fence, self-closing/self-latching gates, openings under 4 inches. Co...
See how Montgomery County's flood zones rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.