King County Courthouse 516 Third Avenue
Seattle, WA 98104

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

King County Administration Building

The King County Administration Building is located at 500 Fourth Ave. Parking is available in parking garages on all surrounding streets. Bus information is available from Metro.

Several agencies are located in the Administration Building, including:

Archives and Records Management

Assessor's Office

Finance & Business Operations

Facilities Management

Marriage Licensing

Recorder's Office

Vehicle Licensing

Vital Statistics - Birth and Death Records

Map of King County office building locations in downtown Seattle (PDF, 86KB)

King County Elections' main offices have moved to Renton.