Washington property tax calculator
Estimate your Washington property tax by county. The statewide average effective rate is 0.75%, #30 of 51 among states and DC. Pick your county below for a closer number.
Pick your state and county and enter your home value. Your estimate shows up here.
An estimate, not a tax bill. Effective rates are county medians of taxes paid divided by home value (Tax Foundation 2025, ACS 2020-2024). Your bill depends on your exemptions, school district and local levies.
Washington property tax rates by county
Effective rate = median property tax paid divided by median home value, owner-occupied homes. Counties with a link have a Grove Hopper appeal guide with the deadline and forms.
| County | Rate | Median tax | Median home |
|---|---|---|---|
| Adams County | 0.72% | $2,147 | $273,300 |
| Asotin County | 0.72% | $2,340 | $325,600 |
| Benton County | 0.76% | $3,163 | $407,800 |
| Chelan County | 0.65% | $3,503 | $490,100 |
| Clallam County | 0.68% | $3,050 | $421,800 |
| Clark County | 0.77% | $4,290 | $522,900 |
| Columbia County | 0.74% | $2,303 | $271,200 |
| Cowlitz County | 0.81% | $3,245 | $397,500 |
| Douglas County | 0.76% | $3,319 | $432,500 |
| Ferry County | 0.57% | $1,801 | $283,400 |
| Franklin County | 0.74% | $2,750 | $379,300 |
| Garfield County | 0.96% | $1,574 | $239,200 |
| Grant County | 0.74% | $2,339 | $299,500 |
| Grays Harbor County | 0.71% | $2,512 | $314,000 |
| Island County | 0.66% | $3,999 | $593,300 |
| Jefferson County | 0.65% | $3,818 | $535,000 |
| King County | 0.76% | $7,114 | $859,900 |
| Kitsap County | 0.72% | $4,279 | $555,100 |
| Kittitas County | 0.66% | $3,552 | $497,400 |
| Klickitat County | 0.62% | $2,639 | $425,300 |
| Lewis County | 0.68% | $2,581 | $385,800 |
| Lincoln County | 0.60% | $1,744 | $292,800 |
| Mason County | 0.72% | $3,006 | $411,800 |
| Okanogan County | 0.64% | $2,281 | $299,800 |
| Pacific County | 0.71% | $2,395 | $334,800 |
| Pend Oreille County | 0.56% | $2,142 | $367,900 |
| Pierce County | 0.85% | $4,770 | $526,600 |
| San Juan County | 0.53% | $4,253 | $799,200 |
| Skagit County | 0.75% | $4,308 | $545,100 |
| Skamania County | 0.56% | $3,532 | $529,500 |
| Snohomish County | 0.72% | $5,364 | $696,000 |
| Spokane County | 0.78% | $3,434 | $410,700 |
| Stevens County | 0.61% | $2,065 | $350,600 |
| Thurston County | 0.82% | $4,209 | $480,300 |
| Wahkiakum County | 0.59% | $2,392 | $396,800 |
| Walla Walla County | 0.85% | $3,492 | $408,900 |
| Whatcom County | 0.68% | $4,087 | $585,800 |
| Whitman County | 0.77% | $2,691 | $359,600 |
| Yakima County | 0.79% | $2,463 | $310,100 |
Washington property tax FAQs
What is the average property tax rate in Washington?
Washington's average effective property tax rate is 0.75% of home value, which ranks #30 of 51 among the states and DC (#1 is highest). Source: Tax Foundation 2025 (ACS 2020-2024 median taxes paid / median home value).
How much is property tax on a $400,000 home in Washington?
At the Washington average of 0.75%, about $3,000 a year. By county it ranges from about $2,120 in San Juan County (0.53%) to about $3,840 in Garfield County (0.96%).
Which Washington county has the highest property tax rate?
Garfield County has the highest average effective rate in the dataset at 0.96%. San Juan County has the lowest at 0.53%. Source: Tax Foundation 2025 (ACS 2020-2024 median taxes paid / median home value).
How can I lower my Washington property tax bill?
The main lever is your assessed value. If it is higher than what similar nearby homes sell for, you can appeal it, and also check whether you qualify for exemptions. Appeals are filed by the homeowner with the county or local board, and deadlines vary by county.
Appealing in Washington? See the Washington county appeal guides →
Source: Tax Foundation 2025 (ACS 2020-2024 median taxes paid / median home value), taxfoundation.org. Estimates are not tax bills. Grove Hopper is a research tool with reminders and document preparation, not attorneys, accountants or a tax firm.