Washington Building Permits by Jurisdiction
Washington State Building Code (RCW ch. 19.27) is mandatory statewide; 2021 I-Codes with WA amendments effective March 15, 2024; 2024 editions slated for May 3, 2027.
Jurisdiction-by-jurisdiction verification is in progress — pages marked “being verified” show the statewide baseline until confirmed locally.
Cities (12)
Bellevue · King Co.Everett · Snohomish Co.Federal Way · King Co.Kent · King Co.Kirkland · King Co.Renton · King Co.Seattle · King Co.Spokane · Spokane Co.Spokane Valley · Spokane Co.Tacoma · Pierce Co.Vancouver · Clark Co.Yakima · Yakima Co.