Coupeville, Island County, Washington Property Taxes
Median Coupeville, WA effective property tax rate: 0.73%, significantly lower than the national median of 1.02%, but lower than the Washington state median of 0.88%. Median Coupeville, WA home value: $536,597. Median annual Coupeville, WA tax bill: $3,875, $1,475 higher than the national median property tax bill of $2,400.
How are property taxes in Island County calculated?
Property taxes in Coupeville, WA 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 Coupeville’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Coupeville, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Coupeville, Island County, Washington Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.73%
Estimate Property Tax Bill
$3,917
$3,635
Property Tax Rates Across Coupeville, Island County, Washington
Local government entities set tax rates, which can vary widely within a state. Each county estimates its required budget to provide services annually 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 Coupeville’s effective property tax rate to other cities in Washington and the median property tax rates in Washington and the U.S.
In Coupeville, located in Island County, the median property tax rate stands at 0.73%, which is lower than the national median property tax rate of 1.02%. This means homeowners in Coupeville benefit from a more favorable tax rate compared to many parts of the country. When considering property investment or relocation, understanding these tax dynamics is crucial. Lower property tax rates can significantly impact your long-term financial planning, making Coupeville an attractive option for those looking to optimize their property tax expenses.
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 Coupeville Tax Rate
0.73%
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 Island County Tax Rate
0.68%
Median Effective Washington Tax Rate
0.88%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Coupeville, Island County, Washington
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98239 | 0.65% | 0.70% | 0.73% | 0.75% | 0.78% |
Source: Ownwell
Property Tax Assessment Values Across Coupeville, Island County, Washington
When examining property taxes in Coupeville, WA, 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 Island County Assessor's Office 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 Island County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Coupeville.
For example, the median home price in Coupeville is $536,597, with tax bills ranging significantly across the county. 98239 has the highest median home price at $536,597.
Property Tax Assessment Values Across Coupeville, Island County, Washington
Source: Ownwell

$454,081
$556,538
$658,994
Median Coupeville Market Value
$536,597
Median Island County Market Value
$541,558
Median Washington Market Value
$482,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across Coupeville, Island County, Washington
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98239 | $298,217 | $417,570 | $536,597 | $727,266 | $956,840 |
Source: Ownwell
Property Tax Bills Across Coupeville, Island County, Washington
Median Coupeville Tax Bill
$3,875
Median Island County Tax Bill
$3,760
Median Washington Tax Bill
$4,284
Median United States Tax Bill
$2,400
Property Tax Bills Across Coupeville, Island County, Washington
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98239 | $1,225 | $2,975 | $3,875 | $5,205 | $6,805 |
Source: Ownwell
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 | |
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Island Tax Assessor | |
Website | assessor.islandcountywa.gov |