King County Property Tax Rate
Washington
King County, Washington has an effective property tax rate of 0.83%, which is 10% lower than the national average of 0.92%. On a home valued at $859,900, homeowners pay approximately $7,114 per year in property taxes. King County ranks #6 out of 39 counties in Washington for property tax rates.
$7,114
Per year
$859,900
2024 estimate
5.7%
Median income: $124,746
#6
of 39 counties in WA
Tax Breakdown
With Mortgage
$7,061
median annual tax
Without Mortgage
$7,245
median annual tax
Homeowners with a mortgage in King County pay on average -$184 more per year than those without. This difference often reflects how property tax escrow accounts in mortgaged homes capture the full tax obligation.
How King County Compares
Top Counties in Washington
Historical Property Tax Trends
| Year | Median Tax | Median Home Value | Effective Rate |
|---|---|---|---|
| 2020 | $5,387 | $601,100 | 0.90% |
| 2021 | $5,877 | $651,900 | 0.90% |
| 2022 | $6,476 | $761,500 | 0.85% |
| 2023 | $6,785 | $811,200 | 0.84% |
| 2024 | $7,114 | $859,900 | 0.83% |
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates
Washington Property Tax Exemptions
Available to King County homeowners
Senior Citizen/Disabled Exemption
Varies based on income: full exemption from excess levies; frozen assessed value; or partial exemption on regular levies (income thresholds set by county, up to approximately $58,423)
Homeowners age 61+ or disabled; income limits vary by county
Disabled Veteran
Exempt from excess levies; additional reductions based on income level (same program as senior exemption)
Veterans with 80%+ service-connected disability; income limits apply
Property Tax Deferral
All or part of property taxes deferred; repaid with interest upon sale or transfer
Homeowners age 60+ or disabled with income under $84,000
Property Tax Calculator
Estimate your annual property tax in King County
Estimated Annual Property Tax
$2,490
$208/month · Rate: 0.83%
Nearby Counties
Quick Facts
Think your property tax is too high?
Homeowners save an average of $1,148/year by appealing their assessment.
Learn How to Appeal →Cities in King County
Explore property tax data for 17 cities in King County, Washington.
| City | Annual Tax | Rate |
|---|---|---|
| Seattle | $7,025 | 0.77% |
| Bellevue | $9,018 | 0.75% |
| Kent | $5,102 | 0.95% |
| Renton | $5,538 | 0.88% |
| Federal Way | $4,408 | 0.88% |
| Kirkland | $7,315 | 0.72% |
| Auburn | $5,194 | 1.02% |
| Redmond | $8,132 | 0.74% |
| Sammamish | $10,001 | 0.81% |
| Shoreline | $6,795 | 0.89% |
Show all 17 cities
| Burien | $5,723 | 0.94% |
| Bothell | $6,817 | 0.78% |
| Issaquah | $7,266 | 0.78% |
| Des Moines | $5,467 | 1.01% |
| SeaTac | $4,720 | 0.98% |
| Maple Valley | $5,887 | 0.88% |
| Mercer Island | $10,001 | 0.53% |
Frequently Asked Questions
Data Source: U.S. Census Bureau, 2024 American Community Survey 5-Year Estimates. Effective tax rates are calculated by dividing median real estate taxes paid by median home value. Actual property tax rates may vary based on local taxing jurisdictions, exemptions, and assessment practices. This information is for general reference only and should not be used as a substitute for professional tax advice.