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Thurston County, Washington Flood Zones

Check an Address in Thurston County

Enter any address in Thurston County, Washington to see its FEMA flood zone

Thurston County Disaster History

Disaster Declarations
29
Flood/Coastal Disasters
14
Latest Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES (2025-12-09)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Thurston County

DeclarationTypeDate
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDESFlood2025-12-09
SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODIN Flood2021-12-26
BORDEAUX ROAD FIREFire2020-09-08
COVID-19Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESFlood2020-01-20
SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDESSevere Storm2012-01-14
SEVERE WINTER STORM, LANDSLIDES, MUDSLIDES, AND FLOODINGFlood2009-01-06
SEVERE WINTER STORM AND RECORD AND NEAR RECORD SNOWSevere Storm2008-12-12
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESSevere Storm2007-12-01

Flood Zone Types in Thurston County

FEMA assigns flood zone designations to areas in Thurston County, Washington:

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 Thurston County

Properties in Thurston County, Washington 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. Over 20% of NFIP claims come from low and moderate-risk areas.

Visit FloodSmart.gov to find an agent and get a quote.