Commercial pesticide applicator license — Requirements.
RCW 17.21.070
in effectIt is unlawful for any person to engage in the business of applying pesticides to the land of another without a commercial pesticide applicator license. Application for a commercial applicator license must be accompanied by a fee of two hundred forty-three dollars and in addition a fee of twenty-seven dollars for each apparatus, exclusive of one, used by the applicant in the application of pesticides.
It is unlawful for any person to engage in the business of applying pesticides to the land of another without a commercial pesticide applicator license. Application for a commercial applicator license must be accompanied by a fee of two hundred forty-three dollars and in addition a fee of twenty-seven dollars for each apparatus, exclusive of one, used by the applicant in the application of pesticides.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=17.21&full=trueFetched: 6/28/2026
