FEMA flood zone rules in Schertz, TX — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Guadalupe County participates in the National Flood Insurance Program and enforces floodplain development permits in unincorporated areas. In Flash Flood Alley, any construction, fill, or improvement in a FEMA special flood hazard area requires a county permit before work begins.
Guadalupe County adopted floodplain management regulations to qualify for the National Flood Insurance Program, as authorized by Texas Water Code Section 16.315. This is a real regulatory lever the county holds despite having no zoning power. The county floodplain administrator reviews development in FEMA-mapped special flood hazard areas along the Guadalupe River, Cibolo Creek, and the San Marcos River - waterways known for sudden, violent rises in Flash Flood Alley. New or substantially improved structures must have their lowest floor elevated to or above the base flood elevation, with added freeboard the county commonly requires, documented by an elevation certificate. Fill and stream crossings in the floodway also require review so they do not raise flood levels on neighboring property.
Building or placing fill in the floodplain without a floodplain development permit exposes the owner to county enforcement, mandatory removal or elevation, and loss of flood-insurance eligibility for the structure.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Schertz's flood zones rules stack up against other locations.
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