Our website is changing! Starting March 31, 2023 our website will look different, but we're working hard to make sure you can still find what you need.  
King County logo
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Other ways to reach us:

 Call us:

Phone: 206-296-0100
Toll Free: 800-325-6165
TTY Relay: 711

 Mail us:

King County building locations
Staff directory
Departmental listings

General Address:
King County Courthouse
516 Third Avenue
Seattle, WA 98104

Other popular services:

Order birth certificates
Buy a bus pass
Pay a district court payment
Appeal your property assessment
Apply for a pet license
Report illegal dumping
Get a marriage license
Apply for a building permit
Apply for plumbing, gas permits
Pay my property taxes

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