Washington property tax
Official source data 2024
On a $400,000 home in Washington
$3,228
estimated annual property tax
ACS 2020-2024 ratio of medians. This estimate does not use your parcel’s assessment or district tax rates.
Make it your number.
Your actual bill depends on your local assessment, exemptions, and taxing districts.
A home value. A yearly budget.
These scenarios use the same 0.81% effective rate. They do not predict an individual tax assessment.
| Home value | Annual estimate | Monthly budget |
|---|---|---|
| $100,000 | $807 | $67 |
| $150,000 | $1,210 | $101 |
| $200,000 | $1,614 | $134 |
| $250,000 | $2,017 | $168 |
| $300,000 | $2,421 | $202 |
| $350,000 | $2,824 | $235 |
| $400,000 | $3,228 | $269 |
| $450,000 | $3,631 | $303 |
| $500,000 | $4,035 | $336 |
| $600,000 | $4,842 | $403 |
| $750,000 | $6,052 | $504 |
| $1,000,000 | $8,069 | $672 |
| $1,250,000 | $10,087 | $841 |
| $1,500,000 | $12,104 | $1,009 |
| $1,750,000 | $14,122 | $1,177 |
| $2,000,000 | $16,139 | $1,345 |
Property tax by county.
39 counties and county equivalents in Washington. Median taxes and values come from ACS 2024.
| County | Effective rate | Median tax paid | Your value estimate |
|---|---|---|---|
| King County | 0.83% | $7,114 | $3,309 |
| Pierce County | 0.91% | $4,770 | $3,623 |
| Snohomish County | 0.77% | $5,364 | $3,083 |
| Spokane County | 0.84% | $3,434 | $3,345 |
| Clark County | 0.82% | $4,290 | $3,282 |
| Thurston County | 0.88% | $4,209 | $3,505 |
| Kitsap County | 0.77% | $4,279 | $3,083 |
| Yakima County | 0.79% | $2,463 | $3,177 |
| Whatcom County | 0.70% | $4,087 | $2,791 |
| Benton County | 0.78% | $3,163 | $3,103 |
| Skagit County | 0.79% | $4,308 | $3,161 |
| Cowlitz County | 0.82% | $3,245 | $3,265 |
| Grant County | 0.78% | $2,339 | $3,124 |
| Franklin County | 0.73% | $2,750 | $2,900 |
| Island County | 0.67% | $3,999 | $2,696 |
| Lewis County | 0.67% | $2,581 | $2,676 |
| Chelan County | 0.71% | $3,503 | $2,859 |
| Clallam County | 0.72% | $3,050 | $2,892 |
| Grays Harbor County | 0.80% | $2,512 | $3,200 |
| Mason County | 0.73% | $3,006 | $2,920 |
| Walla Walla County | 0.85% | $3,492 | $3,416 |
| Stevens County | 0.59% | $2,065 | $2,356 |
| Kittitas County | 0.71% | $3,552 | $2,856 |
| Whitman County | 0.75% | $2,691 | $2,993 |
| Douglas County | 0.77% | $3,319 | $3,070 |
What can change your bill?
The ACS effective rate is a ratio of medians, not a statutory rate. Local assessed values, levies, classification, caps and exemptions determine the actual bill.
Exemptions & assessment
No uniform flat exemption is applied. Enter your assessor-provided assessment ratio and qualifying exemption for a separate statutory scenario.
Payment dates & appeals
Ordinary installment deadlines are April 30 and October 31. Pay through the county treasurer and confirm eligibility for installments and any extension on the actual bill.
A valuation petition is due by July 1 or within 30 days of notice, whichever is later; some counties adopt a 60-day period. Confirm the county board of equalization deadline.
Check Washington’s official property-tax guidance
Use an assessed value, exemption, and local millage
This separate scenario needs your assessor’s inputs. An exemption applies only to eligible levies; do not apply it to the county’s historical effective rate.
Good questions. Clear answers.
How much is property tax on a $400,000 home in Washington?
The historical effective-rate estimate is $3,228 per year, or $269 a month. It multiplies $400,000 by 0.81%.
Is the effective rate the rate on my tax bill?
No. It is median real-estate taxes paid divided by median home value in the ACS 2020-2024 survey. Your taxing districts, assessed value, classification and exemptions determine your bill.
Can I subtract a homestead exemption from this estimate?
Use the separate statutory scenario with a qualifying levy. Subtracting an exemption from an ACS effective-rate estimate can double-count relief already reflected in taxes paid.
Does a higher purchase price change my assessment?
Assessment rules and reassessment dates vary by state and locality. Contact the linked official property-tax office before relying on a historical county ratio.
How do I appeal a property-tax assessment?
Read the deadline and procedure on your assessment notice, then use the official state guidance above to locate your assessor or review board. County survey data does not establish your appeal deadline.
Check the source.
Data as of 2024. Retrieved .
- www2.census.gov / Geos20245YR.txt
- www.census.gov / notes-on-acs-estimate-and-annotation-values.html
- www2.census.gov / acsdt5y2024-b01003.dat
- www2.census.gov / acsdt5y2024-b25077.dat
- www2.census.gov / acsdt5y2024-b25103.dat
- www2.census.gov / acsdt5y2024-b25064.dat
- www2.census.gov / acsdt5y2024-b19013.dat
- dor.wa.gov / property-tax As of 2026-10-01
- dor.wa.gov / pay-my-property-tax-or-appeal-my-property-assessment As of 2026-10-01
- dor.wa.gov / PropertyTaxCalendarDueDates.pdf As of 2026-10-01