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.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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 has no countywide noise ordinance. Texas Penal Code §42.01 prohibits disorderly conduct including unreasonably loud noise. Residents in uni...
Montgomery County, TX
Montgomery County Animal Services (MCAS) enforces animal restraint under the county Rabies Control and Animal Restraint Ordinance. Barking dog complaints are...
Montgomery County, TX
Montgomery County has no ordinance restricting leaf blower or outdoor power equipment use in unincorporated areas. No time, decibel, or equipment-type restri...
Montgomery County, TX
Montgomery County has no ordinance regulating amplified music in unincorporated areas. Texas Penal Code §42.01 applies if noise is unreasonably loud or provo...
Montgomery County, TX
Montgomery County has no general street parking ordinance for county-maintained roads in unincorporated areas. Texas Transportation Code applies. Subdivision...
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.