King County Courthouse
516 3rd Ave.
Seattle, WA 98104

Phone: 206-296-0100
Toll-free: 800-325-6165
TTY Relay: 711
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King County Administration Building

The King County Administration Building is located at 500 Fourth Ave. in downtown Seattle. 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:

Driving directions

From the south

  1. Take I-5 Northbound
  2. Take exit 164A, following signs to James Street.
  3. Take James Street exit
  4. Turn left on James Street
  5. The building is on James between Fourth and Fifth Avenues
  6. Arrive at 500 Fourth Ave. (entrances on Fourth and Fifth) 

From the north

  1. Take I-5 Southbound
  2. Take exit 165A toward James Street
  3. Continue on 6th Avenue
  4. Turn right on James Street
  5. The building is on James between Fourth and Fifth Avenues
  6. Arrive at 500 Fourth Ave. (entrances on Fourth and Fifth) 

From I-90 west

  1. Take I-90 Westbound
  2. Take exit 2C right, I-5 Northbound
  3. Take exit 165A toward James Street
  4. Continue on 6th Avenue
  5. Turn right on James Street
  6. The building is on James between Fourth and Fifth Avenues
  7. Arrive at 500 Fourth Ave.(entrances on Fourth and Fifth) 

Parking options

  1. Goat Hill parking garage (entrance on Jefferson Street between Fifth and Sixth Avenues; street address is 415 6th Ave., Seattle; call 206-652-0849 for pricing (across the street from Chinook Building). King County employees receive discounted parking here.
  2. Seattle Public Library parking garage (entrance on Spring Street between Fourth and Fifth avenues; street address is 1000 Fourth Ave., Seattle; call 206-267-0446 for pricing
  3. Lots surrounding Courthouse.
  4. Metered street parking

Public transit options

A number of public transportation options are available: