RCW 84.36.030 through 84.36.350 allow tax exemptions for property used in character building, benevolent, protective or rehabilitative social services, camp facilities, veterans and relief organizations, libraries, orphanages, day care centers, nursing homes and hospitals, schools and colleges, art, scientific and historical collections, fire companies, humane societies, musical and artistic associations, public assembly halls, certain public authorities, and sheltered workshops for the disabled. Exemption must be claimed annually and ceases upon cessation of the exemption-qualifying use of the property.
Application must be made to the State Department of Revenue.
Click here for the Property Tax Exemption application.