Flood zones in Harris County
Check FEMA flood zones and find the floodplain office.
Harris County Flood Education Mapping Tool
Harris County Flood Control District map that shows floodplains and flood risk for any address in Harris County, including Houston.
5 more options
- FEMA Flood Map Service CenterOfficial source for flood insurance rate maps. Enter an address to see the current flood zone and download the FIRM panel and letters of map change.
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- Texas floodplain and flood mapsTexas's floodplain program: the flood maps, the extra rules that apply to building or rebuilding near water, and who runs the program locally.
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- FEMA Disaster DeclarationsSearch federal disaster and emergency declarations by state, county and incident to see whether an area was declared and what assistance was authorized.
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- FEMA Increased Cost of ComplianceFlood insurance coverage that helps pay to elevate, relocate, demolish or floodproof a substantially damaged building.
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- FEMA National Flood Hazard Layer ViewerInteractive nationwide map of current flood zones, base flood elevations and map panels.
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About flood zones
FEMA flood maps divide land into zones. Zones starting with A or V are high risk and usually require flood insurance for a mortgage. Zone X is lower risk. The county or city floodplain office enforces building rules in mapped floodplains, and only FEMA can change a map.