King County Archives
206-296-1538
archives@kingcounty.gov   
Research by appointment only.

Please make appointments at
least one business day in
advance.

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About the King County Archives

Mission Statement

To ensure the preservation of, and to provide access to, enduring historical records that document the actions, activities, and processes of King County government; to collect and maintain these records as a unique cultural and administrative asset held in trust for agencies and citizens of King County.

Collections

We currently maintain a record capacity of 18,000 cubic feet in an 8,700 square foot climate-controlled repository. Our holdings date back to 1853 and include over three hundred collections. We serve as a permanent source of information about the activities, programs, and decisions of County agencies and elected officials. The majority of our records, however, date from the mid-twentieth century. Some King County government records are also held by the Puget Sound Regional Branch of the Washington State Archives (external link), which began collecting materials before the establishment of the King County Archives program in 1990.

Our collection is limited to those records created by King County government and come in many formats including paper, photographs, maps, oral histories and other recordings. They include legislative records--County Commissioner’s resolutions (1853-1968) and County Council ordinances and motions (1969-1999), a special collection of over 6,000 County documents, pre-charter legislation, administration and policy decisions, early road and bridge establishment and inspection records and records and policies from former County Executives.


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Frequently Asked Questions

Research and Service Fees