Oak Harbor, Island County, Washington Property Taxes
Median OAK HARBOR, WA effective property tax rate: 0.73%, significantly lower than the national median of 1.02% and also lower than the Washington state median of 0.88%.
Median OAK HARBOR, WA home value: $454,081
Median annual OAK HARBOR, WA tax bill: $3,418, $1,018 higher than the national median property tax bill of $2,400.
How are property taxes in Island County calculated?
Property taxes in OAK HARBOR, 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 OAK HARBOR’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in OAK HARBOR, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Oak Harbor, 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
$3,315
$3,076
Property Tax Rates Across Oak Harbor, Island County, Washington
Local government entities set tax rates, which can vary widely within a state. 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.
In OAK HARBOR, located in Island County, WA, the effective property tax rate is 0.73%. This rate is notable because it matches both the highest and lowest median tax rates within the same ZIP code, 98277, indicating a uniformity in tax rates across the area. Compared to the national median property tax rate of 1.02%, OAK HARBOR's rate is significantly lower, which can be an attractive factor for potential homeowners or investors looking to reduce their tax burden. Understanding these rates is crucial for property owners aiming to manage their expenses effectively. By comparing OAK HARBOR’s tax rate to other cities in Washington and the national average, property owners can make informed decisions regarding property investments and appeals.
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 Oak Harbor 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 Oak Harbor, Island County, Washington
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98277 | 0.63% | 0.68% | 0.73% | 0.83% | 0.85% |
Source: Ownwell
Property Tax Assessment Values Across Oak Harbor, Island County, Washington
When examining property taxes in Oak Harbor, 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 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.
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 Oak Harbor. For example, the median home price in Oak Harbor is $454,081, with tax bills ranging significantly across the county. Zip code 98277 has the highest median home price at $454,081.
Property Tax Assessment Values Across Oak Harbor, Island County, Washington
Source: Ownwell

$454,081
$556,538
$658,994
Median Oak Harbor Market Value
$454,081
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 Oak Harbor, Island County, Washington
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98277 | $208,283 | $363,604 | $454,081 | $553,146 | $713,790 |
Source: Ownwell
Property Tax Bills Across Oak Harbor, Island County, Washington
Median Oak Harbor Tax Bill
$3,418
Median Island County Tax Bill
$3,760
Median Washington Tax Bill
$4,284
Median United States Tax Bill
$2,400
Property Tax Bills Across Oak Harbor, Island County, Washington
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98277 | $918 | $2,570 | $3,418 | $4,146 | $5,035 |
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 |