Texas Flood Zone Map

FEMA flood zone data for 2 cities in Texas. Select a city below to see its local flood polygon map, zone breakdown, and major waterways.

City locations in Texas

Covered cities in Texas Houston San Antonio
Covered cities and major waterways in Texas. Select a city to view its detailed flood zone map.

Flood Risk in Texas

Houston sits on a flat coastal plain where slow-draining bayous overflow during heavy rainfall. A large share of the city intersects FEMA-mapped flood zones along the Buffalo, Brays, White Oak, and Greens bayous.

Cities near rivers, coastlines, and tidal estuaries carry the most FEMA-mapped Special Flood Hazard Area (SFHA) acreage. Select a city card below to see its specific zone breakdown and local waterway map.

Cities Covered

Check YOUR Exact Address in Texas

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