Enter any address in Jefferson County, Texas to see its FEMA flood zone
Flash flooding from heavy rainfall events is the dominant flood character in Jefferson County, TX. Over the last 30 years, NOAA Storm Events data shows 105 flash flood events, which have resulted in 10 fatalities. For example, in July 2025, an inverted trough brought heavy rain causing flooding in the county. Similar conditions occurred in June 2025, when numerous showers and storms resulted in isolated flooding.
Analysis of National Flood Insurance Program (NFIP) claims reveals that properties in Zone A experienced the highest average payouts and water depths, with an average payout of $72,162 and 2.8 feet of water. Zone X_SHADED properties also saw significant claims, averaging $62,780. Homeowners in areas designated as Zone A, or those with properties experiencing significant water depth as indicated by claims in Zone UNKNOWN, should pay particular attention to their flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
12 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Jefferson County, Texas has recorded 119 flood-related events since 1996 according to NOAA's Storm Events Database, including 105 flash floods and 8 river or area floods. The county has received 31 federal disaster declarations, 8 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1973–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Hurricane Beryl | Hurricane | Jul 5, 2024 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Hurricane Laura | Hurricane | Aug 23, 2020 |
| Tropical Storms Marco And Laura | Hurricane | Aug 23, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Tropical Storm Imelda | Flood | Sep 17, 2019 |
| Hurricane Harvey | Hurricane | Aug 23, 2017 |
| Wildfires | Fire | Aug 30, 2011 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 25, 2025 | 1.00K |
| Flash Flood | Jun 24, 2025 | 0.00K |
| Flash Flood | Jun 16, 2025 | 50.00K |
| Flash Flood | Jun 16, 2025 | 0.00K |
| Flash Flood | Jun 12, 2025 | 0.00K |
| Flash Flood | Jun 11, 2025 | 0.00K |
| Flash Flood | May 29, 2024 | 0.00K |
| Flash Flood | Apr 29, 2024 | 10.00K |
| Flash Flood | Dec 26, 2024 | 0.00K |
| Flash Flood | Jan 25, 2024 | 0.00K |
Flash Flood — Jul 25, 2025
An inverted trough slowly moved across southeast Texas. Heavy rain caused flooding in Jefferson County and a thunderstorm burned a home in Jasper County.
Flash Flood — Jun 24, 2025
A slow moving thunderstorm in Beaumont produced isolated flooding.
Flash Flood — Jun 16, 2025
An inverted trough slowly moved across the coast of Louisiana and into southeast Texas. Numerous showers and storms resulted causing isolated flooding.
Flash Flood — Jun 12, 2025
Multiple upper level disturbances traversed the region causing severe storms and flooding in southeast Texas.
Flash Flood — Jun 11, 2025
Multiple upper level disturbances traversed the region causing severe storms and flooding in southeast Texas.
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 Jefferson County, Texas:
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 Jefferson County, Texas 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.