Flood Hazard Regulations and Flood Maps
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Source: Flood Hazard Regulations and Flood Maps ↗ Last modified: Sun, 19 Apr 2026 20:11:42 GMT
Label: Information
City of Portland community flood hazard mapping
City of Portland FEMA flood hazard mapping
Use the Map Index below to find a location's boundary number. Use this number to find the corresponding FEMA Flood Map.
Do you need this information in an alternative format? Please call Jason Butler-Brown at 503-823-4936.
Find out if your property is in a floodplain
- Search FEMA's flood maps by address ↗
- Search Portland Maps ↗ to determine if your property is within the FEMA Special (100-year) Flood Hazard Area (SFHA) or the Composite February 1996 Flood Inundation Area:
- Type in an address to begin your search.
- On the right side of the screen, select the Public Safety tab.
- Scroll down to the Hazard section to find out if a property is in or near the FEMA Special Flood Hazard Area (SFHA) and/or the Composite February 1996 Flood Inundation Area.
Environmental Services has helpful information for protecting your property ↗ if it is located in a floodplain.