Enter any address in Solano County, California to see its FEMA flood zone
River and roadway flooding from winter storms is a significant concern in Solano County. Recent events include widespread flooding and road closures from a strong winter storm in February 2025, and roadway flooding caused by an atmospheric river in November 2025.
National Flood Insurance Program (NFIP) data shows that properties in Zone A have experienced the most claims, with an average payout of $20,702 and an average water depth of 2.8 feet. Properties in Zone X also saw a notable number of claims, with an average payout of $20,857 and an average water depth of 3.6 feet, indicating that flooding can impact areas outside of the highest-risk zones.
Homeowners in areas designated as Zone A, as well as those in Zone X and Zone X_UNSHADED, should pay close attention to flood risk. These zones have historically seen the most flood insurance claims and payouts in Solano County.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
18 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Solano County, California has recorded 43 flood-related events since 1996 according to NOAA's Storm Events Database, including 2 flash floods and 41 river or area floods. The county has received 30 federal disaster declarations, 9 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1964–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And Mudslides | Severe Storm | Feb 21, 2023 |
| Severe Winter Storms, Flooding, And Mudslides | Flood | Jan 8, 2023 |
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Flood | Dec 27, 2022 |
| Lnu Lightning Fire Complex | Fire | Aug 17, 2020 |
| Wildfires | Fire | Aug 14, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Atlas Fire | Fire | Oct 9, 2017 |
| Wildfires | Fire | Oct 8, 2017 |
| Severe Winter Storms, Flooding, And Mudslides | Flood | Feb 1, 2017 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Oct 13, 2025 | 0.00K |
| Flood | Nov 13, 2025 | 0.00K |
| Flood | Feb 4, 2025 | 0.00K |
| Flood | Dec 24, 2024 | 0.00K |
| Flood | Nov 23, 2024 | 0.00K |
| Flood | Nov 20, 2024 | 0.00K |
| Flood | Feb 4, 2024 | 0.00K |
| Flood | Mar 29, 2023 | 0.00K |
| Flood | Dec 18, 2023 | 0.00K |
| Flood | Jan 9, 2023 | 0.00K |
Flood — Oct 13, 2025
An early season storm system brought moderate to heavy snowfall to portions of the southern Cascades and Sierra Nevada mainly above 6500 feet. Storm total snow amounts of 6 to 21 inches were generally observed at and above 6500 feet. Widespread precipitation also brought localized roadway flooding to the lower elevations. The storm arrived on October 13th and lasted through the very early morni...
Flood — Nov 13, 2025
An Atmospheric River in the middle of November brought light mountain snow, widespread rainfall with roadway flooding, gusty winds, and thunderstorms from November 12th through November 14th. Around 1 to 4 inches of rain were observed across interior northern California over this 48 hour period. Gusty southerly winds of 25 to 65 mph were also observed as well. 4 to 12 inches of snow was estimat...
Flood — Feb 4, 2025
A strong winter storm brought heavy mountain snow, moderate to heavy rain with river and roadway flooding, and gusty southerly winds February 3rd through 5th. Multiple feet of heavy snow were observed above 5000 feet, with 2 to 5 inches of rain observed in the Valley and foothills and southerly wind gusts of up to 50 mph. There were numerous reports of flooding in the Valley that led to multipl...
Flood — Dec 24, 2024
Multiple waves of precipitation brought periods of heavy rain, mountain snow and gusty winds to interior Northern California over the Christmas holiday and through the end of the month. Storm total snow amounts of 10 to 40 inches were measured in the northern Sierra Nevada and southern Cascades from December 24th through 29th that led to periods of chain restrictions along the mountain passes. ...
Flood — Nov 23, 2024
Another weather system brought continued periods of heavy mountain snow with mountain travel delays and chain restrictions, widespread rain with flooding impacts, and gusty winds in the from November 22nd through November 26th.
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 Solano 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.
Properties in Solano 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.