Washington State Archives
520 Union Ave. SE
P.O. Box 40220
Olympia, WA 98504-0220
http://www.secstate.wa.gov/archives
The central repository receives and catalogs materials for the entire state, and publishes a number of guides to its various collections, the titles of which can be found on its website. Records of a local government nature are collected and preserved in the five regional branch archives, each serving several counties as follows:
Contents
Eastern Regional Branch'Washington State Archives
Eastern Washington University
211 Tawanka
Cheney, WA 99004
www.ewu.edu/era/
Covers Adams, Asotin, Columbia, Ferry, Garfield, Lincoln, Oreille Pend, Spokane, Stevens, Walla Walla, and Whitman.
Central Regional Branch'Washington State Archives
Central Washington University, MS-7547
Ellensburg, WA 98926-7547
www.cwu.edu/~archives/
Covers Benton, Chelan, Douglas, Franklin, Grant, Kittitas, Klickitat, Okanogan, and Yakima.
Puget Sound Regional Branch'Washington State Archives
Pritchard-Fleming Bldg.
3000 Landerholm Circle SE, MS-N100
Bellevue, WA 98007-6484
Covers King, Kitsap, and Pierce.
Northwest Regional Branch'Washington State Archives
Western Washington University, MS-9123
Bellingham, WA 98225-9123
Covers Clallam, Island, Jefferson, San Juan, Skagit, Snohomish, and Whatcom.
Southwest Regional Branch'Washington State Archives
1129 Washington St. SE
P.O. Box 40238
Olympia, WA 98504-0238
Covers Clark, Cowlitz, Grays Harbor, Lewis, Mason, Pacific, Skamania, Thurston, and Wahkiakum.