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King County Archives

A repository of county government records
King County Archives
1215 E. Fir St.
Building A
Seattle, WA 98122


Monday - Friday
9:00 am - 4:00 pm


More King County History Resources

General County History and Government

King County renaming:

Histories of King County Government Programs, Facilities and Functions

These histories can be found elsewhere on King County's Web site. They were written by current and former staff members of King County agencies.

Beyond the Archives: Other Sources of King County Records

Not all of King County's historical records are held centrally at the Archives. Here are other places where you can find county records:

King County Department of Permitting and Environmental Review (DPER), Snoqualmie

The Department, or DPER, is the principal source of building and land use permitting documents and maps for unincorporated King County. It was previously known as the Department of Development and Environmental Services (DDES) and Building and Land Development (BALD) Division.

King County Division of Road Services, Map and Record Center, Seattle

The Map and Record Center holds documents, maps and drawings related to current and historical road and street construction, inspection and maintenance in unincorporated King County.

Puget Sound Regional Archives, Bellevue

This repository is part of the Washington State Archives' regional branch system for preserving local government records. It predates the establishment of the King County Archives in 1989 and was the first designated archival repository for county records. Some records are still retained there, notably older tax assessment records, court case files, and some records of the King County Commissioners (1853-1969).

Sources of Non-County Records Relating to King County History

The King County Archives is a repository of government records only. For general historical information, documents and photographs relating to Seattle and King County, you may wish to contact some of these repositories:

Museum of History and Industry, Seattle (external link)

Special Collections Division, University of Washington Libraries, Seattle (external link)

Seattle Room, Seattle Public Library (external link)

King County Snapshots (external link)

Seattle Municipal Archives (external link)

HistoryLink (external link) is a non-profit community history Web site featuring essays and other independent research relating to Seattle, King County, and Washington State. It is not part of King County government or the King County Archives, which make no endorsement as to the accuracy of the material presented.