Enter any address in Bronx County, New York to see its FEMA flood zone
Flash flooding from heavy rainfall events is the most frequent type of flooding in Bronx County, with 60 recorded events in the last 30 years. These events can be intense, as seen on July 14, 2025, when rainfall totals reached 4 to 6.5 inches with rates of 1 to 2 inches per hour. Another instance on August 6, 2024, produced torrential rainfall at rates upwards of 1.5-2.5 inches per hour, with localized amounts reaching 4-5 inches.
National Flood Insurance Program data shows that properties in Zone A have experienced the most claims, with an average payout of $16,321 and an average water depth of 3.6 feet. Zone V properties, often coastal, have the highest average payout at $19,537 and an average water depth of 4.4 feet. Homeowners in these zones, as well as those in Zone X_SHADED with an average water depth of 3.3 feet, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
30 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Bronx County, New York has recorded 94 flood-related events since 1996 according to NOAA's Storm Events Database, including 60 flash floods and 18 river or area floods. The county has received 20 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1971–2021)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Remnants Of Hurricane Ida | Hurricane | Sep 1, 2021 |
| Hurricane Henri | Hurricane | Aug 21, 2021 |
| 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 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Storms And Flooding | Severe Storm | May 13, 2004 |
| Power Outage | Other | Aug 14, 2003 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Oct 30, 2025 | 0.00K |
| Flash Flood | Jul 14, 2025 | 0.00K |
| Coastal Flood | Jan 13, 2024 | 0.00K |
| Flash Flood | Aug 6, 2024 | 0.00K |
| Flash Flood | Sep 29, 2023 | 0.00K |
| Flash Flood | Jul 18, 2022 | 0.00K |
| Flood | Aug 22, 2021 | 0.00K |
| Flash Flood | Aug 21, 2021 | 0.00K |
| Flash Flood | Jun 8, 2021 | 0.00K |
| Flash Flood | Jul 8, 2021 | 0.00K |
Flash Flood — Oct 30, 2025
A widespread rainfall of 1.5 to 2.5 inches resulted in flooding as a frontal system triggered thunderstorms across the NYC Metro area.
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...
Flash Flood — Aug 6, 2024
Several rounds of heavy thunderstorms developed over the area on the afternoon of August 6th. A slow moving frontal system stalled out over the area. PWATs of 2-2.2 inches and a sharp gradient of MUCAPE peaking out over the area near 2500 J/kg allowed for the development of strong thunderstorms producing torrential rainfall with rates upwards of 1.5-2.5 inches per hour. Total rainfall was 1-3 i...
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...
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 Bronx 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 Bronx 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.