Exemption from licensing.

RCW 18.280.170
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
The following persons are exempt from the licensing requirements of this chapter when acting within the scope of their license or profession: (1) Engineers; (2) Architects; (3) Electricians licensed under chapter 19.28 RCW; (4) Plumbers licensed under chapter 18.106 RCW; (5) Pesticide operators licensed under chapter 17.21 RCW; (6) Structural pest inspectors licensed under chapter 15.58 RCW; or (7) Certified real estate appraisers licensed under chapter 18.140 RCW. The following persons are exempt from the licensing requirements of this chapter when acting within the scope of their license or profession: (1) Engineers; (2) Architects; (3) Electricians licensed under chapter 19.28 RCW; (4) Plumbers licensed under chapter 18.106 RCW; (5) Pesticide operators licensed under chapter 17.21 RCW; (6) Structural pest inspectors licensed under chapter 15.58 RCW; or (7) Certified real estate appraisers licensed under chapter 18.140 RCW.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=18.280&full=trueFetched: 6/29/2026

Starting a business in Washington? Washington LLC guide: costs and requirements