King County, WA

Danielle Cui · June 18, 2026

Washington and California assess and appeal property taxes very differently — no Prop 13 in WA, different deadlines, and different appeal boards. Here's what changes if you own in both states.

Danielle Cui · June 9, 2026

How to appeal an over-assessed property in Seattle, Issaquah, and the rest of King County — the Board of Equalization, the July 1 / 60-day deadline, and the evidence you need. Washington has no Prop 13.