FEMA flood zone rules in Fort Bend County, TX — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Fort Bend County requires a floodplain development permit for any construction, fill, or improvement in mapped Special Flood Hazard Areas under its NFIP-participating ordinance.
The county's Flood Damage Prevention Order, administered by the Floodplain Administrator in the Engineering Department, requires permits for new buildings, substantial improvements, fill, grading, and accessory structures within FEMA SFHAs. Residential structures must have lowest finished floor elevated at least one foot above Base Flood Elevation (freeboard requirement). Substantial damage and substantial improvement triggers the 50-percent rule. Elevation Certificates by a licensed surveyor are required before final inspection.
Building or filling without a floodplain permit may trigger stop-work orders, civil penalties, FEMA noncompliance reports, and required removal or elevation of noncompliant structures.
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See how Fort Bend County's flood zones rules stack up against other locations.
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