What is the sales tax in Oak Harbor city? - The sales tax in Oak Harbor city of Washington is 9% as of 2025. Use the Oak Harbor sales tax calculator to calculate the sales tax for any purchase in Oak Harbor.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Oak Harbor.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Island | Washington | Oak Harbor | 98278 | 6.5% | 2.5% | 0% | 9% |