Check YOUR Exact Address in Yonkers
Yonkers, NY Flood Zone Map
Is Yonkers in a flood zone? Yes -- about 7% of its mapped area is in a FEMA high-risk flood zone (Special Flood Hazard Area). FEMA NFHL data shows the mapped zone breakdown below. FEMA OpenFEMA NFIP Redacted Claims v3 records 12,173 claims in New York since 2016; 26% of all recorded New York claims are outside high-risk zones (claims data fetched 2026-10-06).
Sources: FEMA NFHL; US Census TIGERweb; FEMA OpenFEMA NFIP Redacted Claims v3.
Data as of Oct 6, 2026 (FEMA OpenFEMA NFIP claims)
Published by checkmyfloodzone.com. Last updated: .
- High risk
- Moderate
- Lower risk
- Not mapped
Flood Zone Breakdown for Yonkers
About 7% of the mapped area in Yonkers falls within a FEMA Special Flood Hazard Area (high-risk or moderate-risk flood zone). The breakdown by zone:
- AE 7% Zone AE
- X 76% Zone X
- OPEN WATER 17% Zone OPEN WATER
Mapped Waterways Near Yonkers
FEMA NFHL mapped zones: A, AE, AH, AO, OPEN WATER, X; US Census TIGERweb water features: Sprain Brk, Bronx Riv, Grassy Sprain Brk.. The FEMA NFHL fixture maps zones A, AE, AH, AO, OPEN WATER, X within the Yonkers, New York area. US Census TIGERweb maps Sprain Brk, Bronx Riv, Grassy Sprain Brk in the same extent. These layers describe area-wide patterns; check an exact address for a property-level flood-zone result.
- Sprain Brk
- Bronx Riv
- Grassy Sprain Brk
- Troublesome Brk
- Hutchinson Riv
- Catskill Aqueduct
- Saw Mill Riv
- Laurel Brk
Flood Zone Details for Yonkers
| Zone | Risk level | Area | Insurance |
|---|---|---|---|
| AE | High-risk riverine or coastal flood zone with a computed base flood elevation (BFE). About a 1-in-100 chance of flooding each year. | 7% | Flood insurance is typically required for federally backed mortgages. |
| X | Lower-risk zone outside the 1% annual chance flood boundary. Flooding is still possible but less likely than in high-risk zones. | 76% | Flood insurance is not required but may still be a smart choice -- nearly one-third of flood claims (29% over 2014-2024) come from lower-risk areas. |
| OPEN WATER | Flood zone as mapped by FEMA. | 17% | Consult your lender and local floodplain office. |