FEMA flood zone rules in Yonkers, NY — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Yonkers has FEMA AE zones along the Hudson River waterfront and Saw Mill River corridor. Flood damage prevention rules under Yonkers Code Chapter 64 require elevation certificates and BFE+2 ft freeboard for SFHA construction.
Yonkers participates in the NFIP. New construction or substantial improvement (>50% of market value) in AE zones must be elevated to Base Flood Elevation plus 2 feet freeboard per Yonkers Code Ch. 64. Floodplain Development Permits required before any construction, grading, or filling in SFHA. FIRM panels 36119C0191-0215 show Hudson River waterfront AE zones. Federally-backed mortgages in SFHA mandate flood insurance.
Building without floodplain permit: stop-work order + daily fines. Uncertified construction may forfeit NFIP insurability.
Yonkers, NY
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Yonkers, NY
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Yonkers, NY
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Yonkers, NY
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Yonkers, NY
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Yonkers, NY
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Side-by-side rule comparisons with other cities in Westchester County.
See how other cities in Westchester County handle flood zones.
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