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: