State Building Permits
Washington - 2026 Building Permit Guide
Permit authority, application process, fees, and requirements for every county and city in Washington. Select your county to find your local permit guide.
39 Counties 234 Jurisdictions Updated March 2026
Washington Counties
Adams County 6 jurisdictions → Asotin County 3 jurisdictions → Benton County 6 jurisdictions → Chelan County 6 jurisdictions → Clallam County 4 jurisdictions → Clark County 8 jurisdictions → Columbia County 3 jurisdictions → Cowlitz County 5 jurisdictions → Douglas County 5 jurisdictions → Ferry County 2 jurisdictions → Franklin County 5 jurisdictions → Garfield County 2 jurisdictions → Grant County 8 jurisdictions → Grays Harbor County 7 jurisdictions → Island County 4 jurisdictions → Jefferson County 2 jurisdictions → King County 20 jurisdictions → Kitsap County 5 jurisdictions → Kittitas County 5 jurisdictions → Klickitat County 4 jurisdictions → Lewis County 6 jurisdictions → Lincoln County 6 jurisdictions → Mason County 2 jurisdictions → Okanogan County 7 jurisdictions → Pacific County 5 jurisdictions → Pend Oreille County 5 jurisdictions → Pierce County 13 jurisdictions → San Juan County 2 jurisdictions → Skagit County 8 jurisdictions → Skamania County 3 jurisdictions → Snohomish County 14 jurisdictions → Spokane County 8 jurisdictions → Stevens County 6 jurisdictions → Thurston County 8 jurisdictions → Wahkiakum County 2 jurisdictions → Walla Walla County 5 jurisdictions → Whatcom County 9 jurisdictions → Whitman County 5 jurisdictions → Yakima County 10 jurisdictions →
Related Washington Resources
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with your local building department before applying.
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This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from your local permit authority. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.