Check YOUR Exact Address in Rochester

Powered by FEMA National Flood Hazard Layer + US Census -- always free.

Rochester, NY Flood Zone Map

Is Rochester in a flood zone? Yes -- about 76% 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: .

Flood zone map Flood zone map of Rochester, NY. 76% of the mapped area falls within a FEMA Special Flood Hazard Area. Primary flood source: FEMA NFHL mapped zones: A, AE, VE, X; US Census TIGERweb water features: Honeoye Lk, East Branch Allen Crk, Allen Crk.. Zone AE Zone X Zone AE Zone X Zone A Zone AE Zone AE Zone VE
  • High risk
  • Moderate
  • Lower risk
  • Not mapped
FEMA flood zones for Rochester, NY. Data: FEMA NFHL + US Census TIGERweb.

Flood Zone Breakdown for Rochester

About 76% of the mapped area in Rochester falls within a FEMA Special Flood Hazard Area (high-risk or moderate-risk flood zone). The breakdown by zone:

Mapped Waterways Near Rochester

FEMA NFHL mapped zones: A, AE, VE, X; US Census TIGERweb water features: Honeoye Lk, East Branch Allen Crk, Allen Crk.. The FEMA NFHL fixture maps zones A, AE, VE, X within the Rochester, New York area. US Census TIGERweb maps Honeoye Lk, East Branch Allen Crk, Allen Crk in the same extent. These layers describe area-wide patterns; check an exact address for a property-level flood-zone result.

Flood Zone Details for Rochester

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. 52% Flood insurance is typically required for federally backed mortgages.
VE Coastal high-hazard zone with wave action. This is the highest-risk designation -- expect storm surge plus breaking waves. 14% Flood insurance is required for federally backed mortgages and is especially important here.
A High-risk flood zone without a detailed BFE study. About a 1-in-100 chance of flooding each year. 10% 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. 24% 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.

Other Cities in New York