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Monterey County, California Flood Zones

Check an Address in Monterey County

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

The Flooding Character of Monterey County

Flood events, including flash floods, have been the most frequent type of weather-related hazard in Monterey County over the past 30 years, with 115 flood events and 32 flash flood events recorded. For example, a series of storm systems impacted the region around Christmas 2025, causing widespread disruption. Earlier that year, in November 2025, low-pressure systems brought rain and thunderstorms to the Bay Area and Central Coast.

National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced the highest number of claims, averaging $31,060 per payout with an average water depth of 3.2 feet. Properties in Zone X_UNSHADED also show significant claim payouts, averaging $35,440 with an average water depth of 2.0 feet. Homeowners in coastal areas, those located near rivers, and properties in areas designated as Zone A or X_UNSHADED should pay particular 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 Monterey County

79 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 Monterey County

Monterey County, California has recorded 151 flood-related events since 1996 according to NOAA's Storm Events Database, including 32 flash floods and 115 river or area floods. The county has received 33 federal disaster declarations, 9 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Monterey County Disaster History

FEMA Disaster Declarations (1967–2024)

Disaster Declarations
33
Flood/Coastal Disasters
9
Latest Disaster
Severe Winter Storms, Tornadoes, Flooding, Landslides, And Mudslides (2024-01-31)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Monterey County

DeclarationTypeDate
Severe Winter Storms, Tornadoes, Flooding, Landslides, And MudslidesSevere StormJan 31, 2024
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
Carmel FireFireAug 18, 2020
River FireFireAug 16, 2020
WildfiresFireAug 14, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020

Recorded Flood Events in Monterey County

NOAA Storm Events Database (1996–2025)

Total Flood Events
151
River/Area Floods
115
Flash Floods
32
Coastal/Storm Surge
4
Total Property Damage
$14.2M
Flood Deaths
1
Flood Injuries
2

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Monterey County

TypeDateDamage
FloodDec 25, 20250.00K
FloodNov 17, 20250.00K
FloodNov 16, 20250.00K
FloodFeb 13, 20250.00K (1 deaths)
FloodFeb 6, 20250.00K
FloodJan 31, 20240.00K
FloodMar 30, 20240.01K
FloodDec 27, 20240.00K
FloodJan 22, 20240.01K
FloodFeb 20, 20240.00K

Monterey County Flood History

Flood — Dec 25, 2025

A series of storm systems impacted the Bay Area and Central Coast from December 19 to 25th, impacting Christmas holiday travel across the region. The most impactful systems arrived on Christmas Eve and Christmas Day. Two tornado warnings were issued for the coastal regions of San Mateo and Santa Cruz counties based off radar indicated rotation. San Francisco International Airport reported delay...

Flood — Nov 17, 2025

A low pressure system brought rain and winds to the Bay Area and Central Coast on November 16 and 17th. Special Marine Warnings and Special Weather Statements were issued due to isolated thunderstorms causing localized heavy rain and gusty winds. The main frontal rain band came through in the overnight hours, with isolated to scattered showers and some thunderstorms continuing into the 17th.

Flood — Nov 16, 2025

A low pressure system brought rain and winds to the Bay Area and Central Coast on November 16 and 17th. Special Marine Warnings and Special Weather Statements were issued due to isolated thunderstorms causing localized heavy rain and gusty winds. The main frontal rain band came through in the overnight hours, with isolated to scattered showers and some thunderstorms continuing into the 17th.

Flood — Feb 13, 2025

A winter storm on February 13 caused widespread flooding and strong winds across the Bay Area and Central Coast.

Flood — Feb 6, 2025

An intense atmospheric river impacted the Bay Area from February 3rd to the 4th, bringing heavy rain and strong wind to the region, especially across the North Bay. The Russian River near Guerneville flooded due to the heavy rain.

Source: NOAA National Weather Service Storm Events Database.

Monterey County NFIP Flood Insurance Claims

Total Claims Filed
1,255
Total Paid Out
$35.2M
Avg Claim
$38,582
Avg Water Depth
6.2 ft

Claims by Flood Zone

A Zones (High Risk)
965
V Zones (Coastal)
8
X Shaded (500-yr)
30
X Unshaded (Low)
73

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

Flood Zone Types in Monterey County

FEMA assigns flood zone designations to areas in Monterey 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 Monterey County

Properties in Monterey 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.