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Washington (WA) Property Tax Calculator (2026)

Estimate property tax in Washington. Enter a home value and we apply Washington’s average effective property tax rate of about 0.87%. Actual bills vary by county and assessment — edit the rate for your area.

Example: with Home value 350,000 · Washington effective rate 0.87 → Annual property tax: $3,045.

Computed by the calculator below using its default values. Change any input to see your own numbers.

Washington’s effective property tax rate averages about 0.87% of a home’s value (statewide average); your county or city rate may differ.
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Annual property tax
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Effective rate

Washington tax snapshot

In Washington, the effective property-tax rate is about 0.87% — the 26th-highest of the 50 states + DC, versus a national average near 1.03%. By the other measures, Washington property tax is about 0.87% (the 26th-highest) and its sales-tax base is 6.5% (the 11th-highest); washington has no state income tax. For context, New Jersey has the highest effective property tax (2.23%) and Hawaii the lowest (0.27%); California has the highest statewide sales tax (7.25%) and Oregon has none (0%).

📊 Benchmark: the U.S. average effective property-tax rate is ~0.90% — from ~0.3% (Hawaii) to ~2.2% (New Jersey). Tax Foundation, 2025.

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Washington property tax

Washington’s average effective property tax rate is about 0.87% of a home’s value per year. Counties and municipalities set their own rates and assessments, so your actual bill can be higher or lower. Use your county assessor’s rate for precision — the figures here are statewide averages that change over time.

Property tax by state

How it’s calculated

Annual property tax = home value × effective property tax rate. The monthly figure divides that by 12. This page uses Washington’s statewide average effective rate by default — replace it with your county or city rate for a closer estimate.

Effective rates are statewide averages (statewide average) and vary widely by county and municipality. Check your local assessor for an exact figure. Estimate only.

Results update as you type and are estimates, not professional advice — verify important decisions with a qualified professional.

Property tax rates by county in Washington

Washington’s average effective property tax rate is about 0.87% of home value — #26 of 51 nationally. Across Washington’s 39 counties with Census data, effective rates run from 0.57% in San Juan to 0.94% in Pierce, and the median annual bill is about $2,860. Enter your own county’s rate below for a closer estimate.

CountyEffective rateMedian home valueMedian annual tax
Highest-tax counties
Pierce0.94%$484,400$4,555
Walla Walla0.90%$375,600$3,386
Thurston0.90%$451,500$4,043
Grays Harbor0.87%$279,500$2,441
Columbia0.86%$256,100$2,215
Spokane0.86%$370,500$3,196
Adams0.84%$251,300$2,104
Lowest-tax counties
Stevens0.65%$308,000$2,016
Ferry0.65%$274,500$1,792
Klickitat0.62%$388,700$2,401
Garfield0.61%$214,200$1,306
Wahkiakum0.60%$344,500$2,084
Lincoln0.60%$272,300$1,621
San Juan0.57%$726,500$4,131

Source: U.S. Census Bureau, American Community Survey 2023 5-year estimates (median real-estate taxes ÷ median home value, by county). Pulled June 2026.

Worked example

A $350,000 home in Washington owes about $3,045 per year (about $254 per month) at the 0.87% average effective rate.

Common mistakes

  • Using the state average instead of your county rate and assessment.
  • Forgetting exemptions like homestead that lower the taxable value.

Frequently asked questions

What is the average property tax rate in Washington?

About 0.87% of home value statewide for 2026 — #26 of 51 nationally. County-level effective rates range from 0.57% (San Juan) to 0.94% (Pierce).

Which Washington county has the highest property taxes?

Pierce has the highest effective rate (0.94%), with a median annual bill of $4,555 on a median home value of $484,400. The lowest is San Juan at 0.57%.

Why is my bill different?

Assessments, exemptions (homestead, senior, veteran), and local levies vary by county, city, and school district. This page estimates from your home value and an average effective rate; your assessor’s statement is authoritative.