Washington Tax Appeals Board Orders Reduced Property Valuation in King County Easement Case

June 8, 2026, 5:47 PM UTC

The Washington Board of Tax Appeals (BTA) set aside the determination of the King County Board of Equalization and ordered a reduced valuation for the taxpayers’ residential property. The dispute involved the true and fair market value of the property, which was encumbered by a native growth protection easement that affected approximately 40 percent of the property. The Board found that the Owners’ and Assessor’s comparable sales supported a reduced valuation from the assessed value, and determined that the most comparable sale required the least number of adjustments to reflect the subject property’s characteristics and encumbrance. [Wash. B.T.A., Docket No. ...

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