Property Taxes in Vashon, Washington
Median Vashon, Washington effective property tax rate: 1.08%, significantly lower than the national median of 1.02%, and higher than the Washington state median of 0.92%.
Median Vashon, Washington home value: $795,000
Median annual Vashon, Washington tax bill: $8,340, $5,940 higher than the national median property tax bill of $2,400.
How are property taxes in King calculated?
Property taxes in Vashon, Washington are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Vashon's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Vashon, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Vashon Property Tax Calculator Work?
Use this Vashon property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Vashon's median effective tax rate of 1.08% — based on actual property records in King County — to generate your estimate.
Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Vashon's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Vashon: rates are 1.08% in 98070, with no variation across the area in the data provided.
If your estimate is higher than expected, Ownwell can appeal your Vashon assessment — you only pay if we save you money.
About Vashon Property Taxes
About Property Taxes in Vashon, King, Washington
Vashon’s median effective property tax rate of 1.08% is lower than the Washington state median of 0.92% and higher than the national median of 1.02%. This rate reflects the King County base levy combined with local school district levies and Local improvement districts (LIDs) that vary by subdivision throughout the city.
Property tax rates are not uniform across Vashon. Homeowners in the 98070 ZIP code carry a median effective rate of 1.08%, while those in the same ZIP code also pay 1.08%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across King County. Understanding which part of Vashon you live in can make a meaningful difference to your annual tax bill.
Vashon homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the July deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Vashon, King County, Washington
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Vashon’s effective property tax rate to other cities in Washington and the median property tax rates in Washington and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Vashon Tax Rate
1.08%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective King County Tax Rate
0.99%
Median Effective Washington Tax Rate
0.92%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Vashon, King County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98070 | 0.86% | 1.07% | 1.08% | 1.10% | 1.11% |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Property Tax Assessment Values Across Vashon, King County, Washington
When examining property taxes in Vashon, Washington, understanding the distinction between market value and assessed value is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The King County appraisal district estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In King County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of July.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. For example, the median home price in Vashon is $795,000, with tax bills ranging significantly across the county. 98070 has the highest median home price at $795,000.
Property Tax Assessment Values Across Vashon, King County, Washington
Source: Ownwell
$275,000
$3,858,750
$7,442,500
Median Vashon Market Value
$795,000
Median King County Market Value
$774,000
Median Washington Market Value
$501,600
Median United States Market Value
$274,101
Property Tax Assessment Values Across Vashon, King County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98070 | $472,000 | $620,000 | $795,000 | $1,015,000 | $1,327,800 |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Property Tax Bills Across Vashon, King County, Washington
Property tax bills in Vashon are based on a home’s assessed value, local tax rates, and the taxing districts that apply to the property. With a median home price of $795,000, homeowners in this area often see bills that reflect both the value of the home and the local levy structure. The tax bill is determined by multiplying the assessed value by the applicable rate, so changes in market conditions or assessment levels can affect what homeowners owe.
For many homeowners, this means property taxes can become a significant part of annual housing costs. The 25th percentile tax bill is $6,324, the 75th percentile is $10,757, and the 90th percentile is $13,933, which shows how quickly bills can rise for higher-valued homes.
Ownwell helps homeowners save by reviewing assessments, identifying potential over-assessments, and filing property tax appeals and exemption applications when eligible. That can lower a homeowner’s property tax bill and reduce the amount paid each year.
Median Vashon Tax Bill
$8,340
Median King County Tax Bill
$7,644
Median Washington Tax Bill
$4,512
Median United States Tax Bill
$3,209
Property Tax Bills Across Vashon, King County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98070 | $3,153 | $6,324 | $8,340 | $10,757 | $13,933 |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
| Tax Bill | |
| Issued | February 10 |
| Due Date #1 | April 30 |
| Due Date #2 | October 31 |
Links | |
|---|---|
| King Tax Assessor | |
| Phone | (206) 296-7300 |
| Website | blue.kingcounty.com |
| assessor.info@kingcounty.gov | |