How to appeal property taxes in Oregon
County-specific guides with this year's deadlines, the exact forms, and step-by-step filing instructions — researched from official Oregon sources. Or skip the reading: run your address through the free check and get your county's answer in about two minutes.
Multnomah County
Multnomah County homeowners must file 2026 property value appeals by Dec. 31. Learn the forms, $30 fee, evidence tips, hearings, and savings math.
Washington County
Washington County, Oregon homeowners appeal their real market value to the Property Value Appeals Board (formerly BOPTA) by December 31, 2026, with no filing fee and no attorney required.
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