FEMA flood zone rules in League City, TX — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
League City Chapter 50 requires residential construction in FEMA Special Flood Hazard Areas to be elevated at least 24 inches above base flood elevation (BFE). A development permit is required for all construction in flood zones. The city participates in the NFIP Community Rating System.
Chapter 50 (Floods), as amended by Ordinance 2018-14, regulates all development in FEMA-designated Special Flood Hazard Areas. Section 50-65 requires new residential construction to have the lowest floor elevated at least 24 inches above the base flood elevation (BFE) and at least 3 inches above the nearest 500-year flood elevation. Where 500-year data is unavailable, the FEMA Flood Insurance Study Coastal Transect Data governs. A development permit from the floodplain administrator is required before any construction in the SFHA. Flood zones along Clear Creek, Dickinson Bayou, and their tributaries affect large portions of the city. Hurricane Harvey in 2017 caused widespread flooding. The city has invested in major drainage improvements since 2017.
Building in SFHA without permit: stop-work order. Non-compliant elevation: mandatory remediation. Fine up to $2,000 per offense for zoning-related flood violations. NFIP non-compliance may affect community flood insurance rates.
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