FEMA flood zone rules in Brownsville, TX — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Brownsville participates in FEMA's National Flood Insurance Program and regulates development in flood zones. The city faces significant flood risk from hurricanes, tropical storms, and Rio Grande flooding.
Brownsville's floodplain management regulations control construction in FEMA-designated flood zones. The city faces flood risk from hurricanes, tropical storms, and Rio Grande flooding. Large portions of the city are in Special Flood Hazard Areas. Properties in the 100-year floodplain must have the lowest floor at or above the base flood elevation. Substantial improvements (over 50% of market value) must be brought into compliance. Flood insurance is required for federally backed mortgages in flood zones. Cameron County also has floodplain regulations.
Building in flood zones without permits and elevation certificates results in fines, insurance issues, and increased flood insurance rates.
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See how Brownsville's flood zones rules stack up against other locations.
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