Port Orchard, Washington sales tax rate: 9.3%
Last updated Checked monthly
The sales tax rate in Port Orchard, Washington is 9.3%. That’s the 6.5% state rate plus 2.8% in local taxes. It’s higher than 74 of the 110 Washington cities we checked, and 3 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Port Orchard combined rate
9.3%
- Washington state
- 6.5%
- Kitsap CountyCounty
- 1.6%
- Port OrchardCity
- 0.1%
- Kitsap PTBASpecial district
- 1.1%
Port Orchard sales tax calculator
Enter a price and what you’re selling.
- WashingtonState · 6.5%$6.50
- Kitsap CountyCounty · 1.6%$1.60
- Port Orchard City (Kitsap County)City · 0.1%$0.10
- Kitsap PTBASpecial district · 1.1%$1.10
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoPort Orchard sales tax rate breakdown
State, county, city and special district taxes add up to 9.3%. District lines don’t follow city limits, so some Port Orchard addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Washington | State | 6.5% |
| Kitsap County | County | 1.6% |
| Port Orchard City (Kitsap County) | City | 0.1% |
| Kitsap PTBA | Special district | 1.1% |
| Combined rate | 9.3% |
Rate history
- July 20239.3%
- July 20249.3%
- July 20259.3%
- July 20269.3%
- Today9.3%
No change since July 2023.
Sales tax near Port Orchard
Closest cities
- Bremerton4 mi9.2%
- Bainbridge Island9 mi9.2%
- Burien14 mi10.4%
- Seattle14 mi10.55%
- Normandy Park15 mi10.3%
- Ruston18 mi10.2%
- Des Moines18 mi10.4%
- Mercer Island19 mi10.3%
Elsewhere in Kitsap County
- Bremerton9.2%
- Bainbridge Island9.2%
Charge the right rate in Port Orchard, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every Washington return for you, with a sales tax team you can call.
Port Orchard sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Port Orchard, Washington?
The combined sales tax rate in Port Orchard is 9.3% as of November 2, 2026. It’s made up of 6.5% Washington state tax, 1.6% Kitsap County, 0.1% Port Orchard City (Kitsap County), 1.1% Kitsap PTBA.
Why does Port Orchard pay Kitsap PTBA tax?
A special district such as Kitsap PTBA levies its own sales tax on top of the state, county and city rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for the centre of Port Orchard; the calculator prices any exact address.
Is SaaS taxable in Port Orchard?
Yes, at the full 9.3%.
Do online sellers have to collect sales tax in Port Orchard?
Yes, if they have nexus in Washington: more than $100,000 in Washington sales in the previous or current calendar year, or a physical presence in the state. They register with the Washington State Department of Revenue and charge the rate at the buyer’s address.
Sources. Washington State Department of Revenue · Zamp Sales Tax API, for the centre of Port Orchard. Rates are checked monthly and are for information, not tax advice.
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