Washington Revised Code Title 64. Real Property and Conveyances § 64.34.397. Tenant screening (Effective until January 1, 2028)

(a) Require any unit owner intending to lease the owner's unit to use a tenant screening service or obtain background information, including criminal history, on a prospective tenant, at the owner's sole cost and expense, prior to the owner entering into a lease agreement with a prospective tenant; and

(b) Require proof that the tenant screening requirement has been fulfilled or that the background information on a prospective tenant has been obtained by the owner intending to lease the owner's unit.