FloodZoneMap.org

Multnomah County, Oregon Flood Zones

Check an Address in Multnomah County

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

Multnomah County Disaster History

Disaster Declarations
12
Flood/Coastal Disasters
4
Latest Disaster
SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, LANDSLIDES, AND MUDSLIDES (2024-01-10)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Multnomah County

DeclarationTypeDate
SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, LANDSLIDES, AND MUDSLIDESSevere Storm2024-01-10
WILDFIRES AND STRAIGHT-LINE WINDSFire2020-09-07
COVID-19Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
EAGLE CREEK FIREFire2017-09-02
SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDESSevere Storm2015-12-06
SEVERE WINTER STORM, RECORD AND NEAR RECORD SNOWSevere Storm2008-12-13
HURRICANE KATRINA EVACUATIONCoastal Storm2005-08-29
SEVERE WINTER STORMSSevere Storm2003-12-26
HIGH WINDS, SEVERE STORMS AND FLOODINGFlood1996-02-04

Flood Zone Types in Multnomah County

FEMA assigns flood zone designations to areas in Multnomah 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 Multnomah County

Properties in Multnomah 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.