Wash. Rev. Code § 19.27.050 : — BUSINESS REGULATIONS-MISCELLANEOUSSTATE BUILDING CODE — Enforcement TEXT PDF The state building code required by this chapter shall be enforced by the counties and cities. Any county or city not having a building department shall contract with another county, city, or inspection agency approved by the county or city for enforcement of the state building code within its jurisdictional boundaries. RCW 19.27.050 1985 c 360 § 9; 1974 ex.s. c 96 § 5.