skip to main content

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


Street and Road Records

King County establishes and maintains streets, roads and bridges in unincorporated areas of King County. To research establishment, construction and maintenance of present-day streets and bridges, start with County Council ordinances and motions, or contact the Map and Records Center of the King County Road Services Division.

This page features historical records relating to streets, roads and bridges in King County.