Enter any address in Rockland County, New York to see its FEMA flood zone
Flash flooding from heavy rainfall events is the most frequent type of flooding reported in Rockland County over the past 30 years, with 81 such events recorded. These events have been associated with significant rainfall, with reports of 4 to 6.5 inches falling in a short period, as seen in events in July 2025. Other flood types, including general floods, coastal floods, and tropical storms, have also occurred.
National Flood Insurance Program (NFIP) claims data indicates that properties designated as Zone A have experienced the highest number of claims, with an average payout of $21,051 and an average water depth of 5.7 feet. Properties in Zone X (average payout $17,558, 4.3 ft water depth) and Zone X_SHADED (average payout $18,095, 6.8 ft water depth) also show substantial claim activity and water depth. Homeowners in these zones, as well as those in coastal areas or near waterways, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
37 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Rockland County, New York has recorded 131 flood-related events since 1996 according to NOAA's Storm Events Database, including 81 flash floods and 42 river or area floods. The county has received 30 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms And Flooding | Severe Storm | Jul 9, 2023 |
| Remnants Of Hurricane Ida | Hurricane | Sep 1, 2021 |
| Hurricane Henri | Hurricane | Aug 21, 2021 |
| Tropical Storm Isaias | Hurricane | Aug 4, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Sandy | Hurricane | Oct 27, 2012 |
| Hurricane Irene | Hurricane | Aug 26, 2011 |
| Severe Winter Storm And Snowstorm | Severe Storm | Dec 26, 2010 |
| Severe Storms And Flooding | Severe Storm | Mar 13, 2010 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 14, 2025 | 0.00K |
| Coastal Flood | Jan 13, 2024 | 0.00K |
| Coastal Flood | Jan 10, 2024 | 0.00K |
| Flash Flood | Sep 29, 2023 | 0.00K |
| Flash Flood | Dec 18, 2023 | 0.00K |
| Flash Flood | Jul 9, 2023 | 0.00K |
| Flash Flood | Dec 23, 2022 | 0.00K |
| Flood | Apr 7, 2022 | 0.00K |
| Flash Flood | Oct 25, 2021 | 0.00K |
| Flash Flood | Aug 22, 2021 | 0.00K |
Flash Flood — Jul 14, 2025
A weak front approached from the west along with PW of 2 inches resulting in heavy rainfall across the area. 4 to 6.5 inches of rainfall totals were reported with rainfall rates between 1 to 2 inches.
Coastal Flood — Jan 13, 2024
Strong low pressure shifted northeast through the eastern Great Lakes on January 13, 2024, sending a warm front through during the morning hours, followed quickly by a cold front. Strong winds produced by this system, combined with peaking high astronomical tides associated with a recent new moon, produced widespread moderate to major coastal flooding along the entire southeast New York coastli...
Coastal Flood — Jan 10, 2024
Strong low pressure moving northeast from the Mid Atlantic region to southern New England during the night of January 9, 2024 into the early morning hours of January 10, 2024 produced high winds, which combined with high astronomical tides associated with an upcoming new moon to produce widespread moderate to major coastal flooding along the south shore of Long Island and along the Hudson River...
Flash Flood — Sep 29, 2023
An inverted trough extending from a low pressure system over the Western Atlantic provided a focus for persistent heavy convective rain to continually develop over the NYC metro and surrounding areas during much of the day on September 29th, 2023. In an environment with anomalously high moisture given the time of year, PWATs near 1.5-1.7 inches, rounds of heavy rainfall fell over the same areas...
Flash Flood — Dec 18, 2023
A warm front ahead of a developing coastal low pressure system positions itself over the area late on December 17th and into December 18th. As the low pressure intensified and approached, significant amounts of moisture focused along the warm front ahead of the coastal low resulting in widespread areas of heavy rainfall that occurred over a 12-18 hour period. PWATs were 1.5-1.7 inches which wer...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Rockland 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.
Properties in Rockland 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. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.