Thelma C. MAGNO, Plaintiff, v. DEPARTMENT OF REVENUE, Defendant, and WASHINGTON COUNTY ASSESSOR, Intervener-Defendant. TC 4720.In the Oregon Tax Court. Decision for Plaintiff rendered May 18, 2006. Plaintiff (Taxpayer) contends that Washington County’s (the county) assessment of the real market value (RMV) of taxpayer’s property and the exception value for the newly improved property for […]