Washington Revised Code Title 84. Property Taxes § 84.36.050. Schools and colleges

(1) Property owned or used by or for any nonprofit school or college in this state for educational purposes or cultural or art educational programs as defined in RCW 82.04.4328. Real property so exempt may not exceed four hundred acres including, but not limited to, buildings and grounds designed for the educational, athletic, or social programs of the institution, the housing of students, religious faculty, and the chief administrator, athletic buildings, and all other school or college facilities, the need for which would be nonexistent but for the presence of the school or college. The property must be principally designed to further the educational, athletic, or social functions of the college or school. If the property is leased, the benefit of the exemption must inure to such school or college.

(2) Real or personal property owned by a not-for-profit foundation that is established for the exclusive support of an institution of higher education, as defined in RCW 28B.10.016. If the property is leased to and used by the institution for college or campus purposes, it must be principally designed to further the educational, athletic, or social functions of the institution. The exemption is only available for property actively utilized by currently enrolled students. The benefit of the exemption must inure to the college.

(3) Subject to RCW 84.36.805(2)(a)(i), if the property exempt under subsection (1) or (2) of this section is used by an individual or organization not entitled to a property tax exemption, except as provided in this subsection, the exemption is nullified for the assessment year in which such use occurs. The exemption is not nullified as a result of any of the uses listed in (a) or (b) of this subsection or RCW 84.36.805(8):