Property-tax appeals in Washington
Deadlines, evidence, and a packet you file yourself — for homes, multifamily, and commercial property in Washington.
State rules verified from public sources| Deadline rule | July 1 or 30 days after the assessment notice, whichever is later; some counties allow 60 days |
|---|---|
| First hearing body | Washington State Board of Tax Appeals (state appeal body referenced in the source report); the report does not detail the county first-level board by name - verify |
CAN RAISE VALUE: Ownwell names Washington as an exception where an appeal can trigger a reassessment/increase. The Washington Board of Tax Appeals advises that for residential appeals comparable sales are often the best evidence of market value. Ownwell full-service state.
What wins in Washington
Homes are argued on comparable sales and uniformity. Income property is argued on the income approach — rent roll, expenses, and a supported cap rate. The packet builds the argument that matches your property type, with your evidence organised as exhibits.
Segments: Residential · Multifamily · Commercial · Pricing
Largest counties in Washington
King County · Pierce County · Snohomish County · Spokane County · Clark County · Thurston County · Kitsap County · Yakima County · Whatcom County · Benton County · Skagit County · Cowlitz County · Grant County · Franklin County · Lewis County · Island County · Chelan County · Clallam County · Grays Harbor County · Mason County · Walla Walla County · Stevens County · Whitman County · Kittitas County
General information from public sources, not legal advice. Software, not representation. FairAppealPacket is not a law firm, a licensed appraiser, or a licensed property-tax consultant. We do not file, appear, or negotiate for you. You review, sign, and file your own appeal. No result is guaranteed.
See what your deadline and your numbers say
The check is free and uses your own numbers — no score invented from data we do not have. If your worksheet shows no indicated saving, we will tell you not to buy a packet.