Tumwater City Hall and all City facilities will be closed to the public until further notice. Visit our COVID-19 webpage for more information.

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Police, fire, and emergency medical response services are available as usual. Emergency? Call 9-1-1.

Annexation Process

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Annexation is governed by State law (RCW 35A.14). Due to the specific procedures and timelines spelled out in the RCWs, annexations take close to a year to complete, and involve multiple public hearings. The City has the right to refuse to annex any property. More information on annexations can be found in the Annexation Handbook by the Municipal Research and Services Center.  


If you have questions or are considering applying for annexation please call Senior Planner David Ginther in the Community Development Department at (360) 754-4180 or email