King County Courthouse 516 Third Avenue
Seattle, WA 98104

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

Chinook Office Building, downtown SeattleAbout

King County's Chinook Office Building houses a variety of County agencies, including Public Health—Seattle and King County, the Department of Community and Human Services, the Finance Division, the Office of Information and Resource Management, and others. For more information about the facility, see this.

King County Chinook Building
401 5th Ave
Seattle, WA 98104


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. Turn left on 5th Avenue
  6. Arrive at 401 5th Avenue, Seattle, WA (Chinook Building)

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. Turn left at 5th Avenue
  6. Arrive at 401 5th Avenue, Seattle, WA (Chinook Building)

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. Turn left at 5th Avenue
  7. Arrive at 401 5th Avenue, Seattle, WA (Chinook Building)

Chinook Building parking options

  1. Goat Hill parking garage (entrance on Jefferson Street between Fifth and Sixth avenues; street address is 415 6th Ave, Seattle, WA; 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, WA; call 206-267-0446 for pricing
  3. Lots to north, south of parking garage.
  4. Metered street parking

Public transit options

A number of public transportation options are available: