FEMA Finalizes Flood Maps Impacting Insurance and Building Rules
Published Date: 8/27/2025
Notice
Summary
The government has updated flood risk maps for certain communities, changing flood levels and boundaries to keep everyone safer. If you live or own property in these areas, these changes could affect your flood insurance and building rules starting soon. Communities must follow the new rules to stay in the federal flood insurance program and avoid costly surprises.
Analyzed Economic Effects
2 provisions identified: 0 benefits, 0 costs, 2 mixed.
Communities must adopt flood rules to stay in NFIP
Your community listed in the notice must adopt, or show evidence of having adopted, the floodplain management measures based on the new FIRMs and FIS in order to qualify or remain qualified for participation in FEMA's National Flood Insurance Program (NFIP). If the community does not meet those requirements, its participation in the NFIP could be at risk.
Final flood map changes for properties
If you live in or own property in the listed communities, FEMA finalized flood hazard determinations that change Base Flood Elevations, base flood depths, Special Flood Hazard Area boundaries, zone designations, or regulatory floodways on Flood Insurance Rate Maps and supporting Flood Insurance Study reports. These map changes could affect your flood insurance requirements and the building rules that apply to your property.
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Key Dates
Department and Agencies
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