In cases of conditional and unclassified use permits, rezones, variances, and other applicable permit applications, written notice of any hearing shall be mailed to owners of all properties within a three-hundred-foot radius of the exterior boundaries of the subject site. Said notice shall be mailed to such property owners no later than ten days prior to the public hearing. The property ownership records of the King County treasurer shall be used to identify surrounding property owners. (Ord. 817 § 2, 1996).