FloodZoneMap.org

Washington County, Oregon Flood Zones

Check an Address in Washington County

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

Washington County Disaster History

Disaster Declarations
17
Flood/Coastal Disasters
5
Latest Disaster
LEE FALLS FIRE (2024-08-08)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Washington County

DeclarationTypeDate
LEE FALLS FIREFire2024-08-08
WILDFIRESFire2020-09-08
POWERLINE FIREFire2020-09-08
CHEHALEM MOUNTAIN BALD PEAK FIREFire2020-09-08
WILDFIRES AND STRAIGHT-LINE WINDSFire2020-09-07
COVID-19 PANDEMICBiological2020-01-20
COVID-19Biological2020-01-20
SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDESSevere Storm2015-12-06
SEVERE WINTER STORM, RECORD AND NEAR RECORD SNOWSevere Storm2008-12-13
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESSevere Storm2007-12-01

Flood Zone Types in Washington County

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

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 Washington County

Properties in Washington County, Oregon 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.