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King County departments
Adult and Juvenile Detention
Multiple locations and contact numbers
Assessor's Office
500 4th Ave.
ADM-AS-0708
Seattle, WA 98104
206-296-7300
Community and Human Services
401 5th Ave.
Suite 500
Seattle, WA 98104
Phone: 206-263-9105
Council
516 3rd Ave.
Room 1200
Seattle, WA 98104
Phone: 206-477-1000
County Executive
401 5th Ave.
Suite 800
Seattle, WA 98104
206-263-9600
District Court
King County District Court
516 3rd Ave.
Room W-1034
Seattle, WA 98104
206-205-9200
Elections
919 SW Grady Way
Renton, WA 98057
206-296-VOTE (8683)
Executive Services
401 5th Ave.
Suite 135
Seattle, WA 98104
Phone: 206-263-9750
Human Resources
King Street Center
201 S Jackson St
Suite 801
KSC-HR-0801
Seattle, WA 98104
Phone: 206-477-3404
Information Technology
Chinook Building
401 5th Ave.
Suite 600
Seattle, WA 98104
Phone: 206-263-4357
Local Services
201 S Jackson St.
KSC-LS-0815
Seattle, WA 98104
Phone: 206-477-3800
Metro
King Street Center
201 S Jackson St.
KSC-TR-0324
Seattle, WA 98104-3856
Phone: 206-553-3000
Natural Resources and Parks
King Street Center
Suite 500
201 S Jackson St.
Seattle, WA 98104
Prosecuting Attorney's Office
King County Courthouse
516 3rd Ave.
Room W-400
Seattle, WA 98104
Phone: 206-477-1200
Public Defense
710 2nd Ave.
Suite 200
Seattle, WA 98104
Phone: 206-296-7662
Toll free: 844-935-3534
Public Health
Multiple locations and contact numbers
Sheriff
King County Sheriff
King County Courthouse
516 3rd Avenue
Room W-150
Seattle, WA 98104
Phone: 206-296-4155
Superior Court
Multiple locations and contact numbers
Superior Court Clerk
Phone: 206-296-9300