FloodZoneMap.org

Ontario County, New York Flood Zones

Check an Address in Ontario County

Enter any address in Ontario County, New York to see its FEMA flood zone

Ontario County Disaster History

Disaster Declarations
20
Flood/Coastal Disasters
3
Hurricane Disasters
2
Latest Disaster
REMNANTS OF TROPICAL STORM DEBBY (2024-08-08)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Ontario County

DeclarationTypeDate
REMNANTS OF TROPICAL STORM DEBBYTropical Storm2024-08-08
SEVERE STORMS AND FLOODINGSevere Storm2023-07-09
COVID-19 PANDEMICBiological2020-01-20
COVID-19 Biological2020-01-20
SEVERE STORMS AND FLOODINGSevere Storm2014-05-13
HURRICANE SANDYHurricane2012-10-27
SEVERE STORMS, FLOODING, TORNADOES, AND STRAIGHT-LINE WINDSFlood2011-04-26
HURRICANE KATRINA EVACUATIONHurricane2005-08-29
SEVERE STORMS AND FLOODINGSevere Storm2004-05-13
POWER OUTAGEOther2003-08-14

New York Statewide Flood Insurance Data

County-level NFIP data coming soon. Here are New York statewide figures for context:

Total NFIP Claims
175,151
Total Claims Paid
$5.7B
Active Policies
1,000
Avg Premium
$1,129/yr

Flood Zone Types in Ontario County

FEMA assigns flood zone designations to areas in Ontario County, New York:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Ontario County

Properties in Ontario County, New York that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. Over 20% of NFIP claims come from low and moderate-risk areas.

Visit FloodSmart.gov to find an agent and get a quote.