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
Email *
Phone

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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