CountyTax

Washington property tax rates by county

Washington · #25 of 52 · 39 counties

0.81%state benchmark

Median annual property tax $4,556 · median home value $564,600

Below the U.S. benchmark 0.94%. First half due Apr 30, Second half due Oct 31.

When it's due in Washington

All states
First half
Due Apr 30
Late after May 1 under state law — the exact cutoff time, weekend/holiday carry-over and this year's date are on your bill.
Second half
Due Oct 31
Late after Nov 1 under state law — the exact cutoff time, weekend/holiday carry-over and this year's date are on your bill.
Late penaltyFor residential property with four or fewer units, taxes levied in 2023 or later accrue 9% annual interest, calculated monthly, with no delinquency penalty. Other property accrues 12% annual interest plus a 3% penalty on June 1 and a further 8% on December 1 (RCW 84.56.020(5)).
Appeal windowJuly 1 or within 30 days (up to 60 days if county adopted) of assessment notice to County Board of Equalization (RCW 84.40.038)

First half due April 30 (delinquent May 1); second half due October 31 (delinquent Nov 1). Taxes under $50 due in full April 30. Regular annual schedule; tax year: calendar 2026, bills mailed February. Source: RCW 84.56.020, rules checked 2026-09-19 (statute text re-read by Ori after ChatGPT review). Confirm the amount and deadline on your official tax bill.

Counties, highest rate first

Benchmark = median real estate taxes paid ÷ median home value, ACS 2020–2024 5-year. Counties where the Census reports a range ("less than $200", "$10,000 or more") get no rate.