King County Property Taxes
King County, Washington
Effective Tax Rate
0.00%
124.1% above state avgMedian Annual Tax
$0
$565/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
0.84%
At a Glance
Median Home Value
$811,200
State avg ▲ $397,674
Tax w/ Mortgage/yr
$6,741
$562/mo escrow
Tax w/o Mortgage/yr
$6,900
$575/mo
State Tax Rate Rank
#32
of 39 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in King County, Washington
King County taxes rank in top tier nationally
King County's effective tax rate of 0.836% sits well above the U.S. median of 0.71%, placing it in the 75th percentile nationally. Homeowners here pay a median of $6,785 annually—more than 2.5 times the national median of $2,690—reflecting both higher home values and steeper tax rates.
Highest tax burden in Washington state
King County leads Washington's 39 counties with the highest effective tax rate at 0.836%, compared to the state average of 0.761%. This 0.075 percentage point difference compounds significantly across the county's expensive real estate market.
Steep taxes compared to Puget Sound peers
King County's 0.836% rate substantially exceeds nearby Kitsap County (0.797%) and Kittitas County (0.708%). Residents here shoulder roughly $2,000 more in annual property taxes than Kitsap County homeowners on comparable properties.
Median home costs $6,785 yearly in taxes
With a median home value of $811,200, King County homeowners typically pay $6,785 in annual property taxes. Mortgaged homes average $6,741, while properties owned outright average $6,900.
Challenge your assessment if overvalued
Many King County homeowners are overassessed relative to recent sales comps, especially in fast-moving markets. Filing a property tax appeal costs nothing and can reduce your tax burden if your assessed value exceeds current market value.
How King County Compares
Median Annual Property Tax
King County
0.84%
Effective rate
Washington Avg
0.76%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in King County, Washington?
How much are property taxes in King County?
How does King County compare to the Washington average?
What is the median home value in King County, Washington?
Why is King County property tax rate higher than the Washington average?
How does King County rank for property taxes in Washington?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Washington
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.