FEMA flood zone rules in New Haven, CT — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
New Haven participates in FEMA's NFIP and has flood-prone areas along the Long Island Sound shoreline and river corridors. Construction in flood zones must meet base flood elevation requirements plus freeboard.
New Haven has FEMA-designated flood zones along the Long Island Sound shoreline, the Mill and Quinnipiac Rivers, and other waterways. The city participates in the National Flood Insurance Program. New construction in flood zones must elevate the lowest floor to at least one foot above the base flood elevation. Substantial improvements to existing structures trigger compliance requirements. The city's flood ordinance (Chapter 21) incorporates coastal flood and storm surge considerations.
Building in flood zones without proper permits and elevation certificates results in stop-work orders, fines, and loss of NFIP flood insurance eligibility.
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Side-by-side rule comparisons with other cities in New Haven County.
See how other cities in New Haven County handle flood zones.
See how New Haven's flood zones rules stack up against other locations.
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