Thurston County

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Development Regulations for Flood Hazard Areas

The County implements development standards and restrictions on building in flood hazard areas. These standards protect residents and property from flooding, and they preserve floodplains as a natural means of flood control. Floods are the most common natural hazard in Thurston County, and, on an annual basis, the most costly. River, stream and groundwater flooding are the most common.

Flood-related building codes and FAQs
How to get a permit to repair flood damage (PDF)

FEMA's Hazard Mitigation Grant Program (YouTube Video)
Building Requirements in Special Flood Hazard Areas

For Surveyors: Reference Monuments & Photos
Frequently Asked Questions
Flood Insurance FAQs (extenal link)
Tools to Determine Special Flood Hazard Areas
Weather Conditions & Emergencies (external link)
Flood Elevation Certificates
Look up proposed new Marine Coastal Areas on our Flood Hazard Areas Map

County flood services and information
Flood alerts & warnings
Sign up for alerts
County Flood Plans & Insurance
Flood bulletin (PDF)
Use our Flood Hazard Areas Map to see if your property is in a flood area
Report flooding

Contact Us

For information about building in a Special Flood Hazard Area, contact Tim Rubert at 867-2123, or e-mail tim.rubert@co.thurston.wa.us.