FloodZoneMap.org

San Benito County, California Flood Zones

Check an Address in San Benito County

Enter any address in San Benito County, California to see its FEMA flood zone

The Flooding Character of San Benito County

Flooding from atmospheric rivers and heavy rainfall has been the primary flood character in San Benito County over the last 30 years, with 17 flood events and 6 flash flood events recorded. Recent examples include widespread roadway flooding and evacuations due to an atmospheric river event in February 2024, and significant rainfall causing flooding and debris flows in January 2021.

National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced the most claims, with an average payout of $34,000 and an average water depth of 3.9 feet. While Zone X and Zone X_Unshaded have seen fewer claims, they still represent areas where flood damage has occurred. Residents in flood-prone areas, particularly those near rivers or in lower-lying coastal zones, should pay close attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from San Benito County

10 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read California flood stories →

Flood Risk Data for San Benito County

San Benito County, California has recorded 23 flood-related events since 1996 according to NOAA's Storm Events Database, including 6 flash floods and 17 river or area floods. The county has received 18 federal disaster declarations, 7 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

San Benito County Disaster History

FEMA Disaster Declarations (1969–2023)

Disaster Declarations
18
Flood/Coastal Disasters
7
Latest Disaster
Severe Winter Storms, Flooding, Landslides, And Mudslides (2023-03-09)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in San Benito County

DeclarationTypeDate
Severe Winter Storms, Flooding, Landslides, And MudslidesFloodMar 9, 2023
Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And MudslidesSevere StormFeb 21, 2023
Severe Winter Storms, Flooding, And MudslidesFloodJan 8, 2023
Severe Winter Storms, Flooding, Landslides, And MudslidesFloodDec 27, 2022
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storms, Flooding, And MudslidesFloodFeb 1, 2017
Severe Winter Storms, Flooding, And MudslidesSevere StormJan 3, 2017
Hurricane Katrina EvacuationHurricaneAug 29, 2005
Severe Winter Storms And FloodingSevere StormFeb 2, 1998

Recorded Flood Events in San Benito County

NOAA Storm Events Database (1996–2025)

Total Flood Events
23
River/Area Floods
17
Flash Floods
6
Total Property Damage
$15.5M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in San Benito County

TypeDateDamage
FloodFeb 4, 20240.00K
FloodJan 27, 2021250.00K
FloodJan 27, 20212.00M
FloodJan 27, 20212.50M
FloodJan 27, 20213.00M
FloodJan 27, 20213.50M
FloodJan 27, 20210.00K
Flash FloodJan 22, 20170.00K
Flash FloodJan 20, 20170.00K
FloodFeb 20, 20170.00K

San Benito County Flood History

Flood — Feb 4, 2024

A rapidly intensifying cyclone and atmospheric river combined from February 3rd to the 5th, creating a period of strong winds, heavy rain, and high surf. The entire region saw numerous impacts including roadway flooding, fallen trees, and power outages. Flood prone areas near rivers and along the coast were evacuated. Notable impacts also included pre-emptive closing of state parks, the cancela...

Flood — Jan 27, 2021

A plume of moisture from the tropical Pacific brought an Atmospheric River to the Bay Area January 26th-29th. This system generated heavy rain rates causing flooding and debris flows over area burn scars as well as 15 to 20 inches of rain in the Santa Lucia Mountains. Mudflows near the River Fire burn scar in Monterey County caused damage to homes, covered roadways, and trapped animals at local...

Flash Flood — Jan 22, 2017

Three storm systems swept through the region between January 18-23. The first occurred on January 18 as a cold front moved through. Heavy rain, widespread flooding, and debris flows were observed.

Flash Flood — Jan 20, 2017

Three storm systems swept through the region between January 18-23. The first occurred on January 18 as a cold front moved through. Heavy rain, widespread flooding, and debris flows were observed.

Flood — Feb 20, 2017

Potent AR brought copious amounts of rain to the region causing widespread flooding, debris flow, accidents, and over topping of reservoir spillways.

Source: NOAA National Weather Service Storm Events Database.

San Benito County NFIP Flood Insurance Claims

Total Claims Filed
113
Total Paid Out
$3.4M
Avg Claim
$41,600
Avg Water Depth
8.9 ft

Claims by Flood Zone

A Zones (High Risk)
91
X Unshaded (Low)
1

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in San Benito County

FEMA assigns flood zone designations to areas in San Benito County, California:

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 San Benito County

Properties in San Benito County, California 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.