Oroville, Washington sales tax rate: 8.4%
Last updated Checked monthly
The sales tax rate in Oroville, Washington is 8.4%. That’s the 6.5% state rate plus 1.9% in local taxes. It’s higher than 38 of the 110 Washington cities we checked, and 5 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Oroville combined rate
8.4%
- Washington state
- 6.5%
- Okanogan CountyCounty
- 1.5%
- Okanogan PTBASpecial district
- 0.4%
Oroville sales tax calculator
Enter a price and what you’re selling.
- WashingtonState · 6.5%$6.50
- Okanogan CountyCounty · 1.5%$1.50
- Okanogan PTBASpecial district · 0.4%$0.40
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoOroville sales tax rate breakdown
State, county and special district taxes add up to 8.4%. District lines don’t follow city limits, so some Oroville addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Washington | State | 6.5% |
| Okanogan County | County | 1.5% |
| Okanogan PTBA | Special district | 0.4% |
| Combined rate | 8.4% |
Rate history
- July 20238.4%
- July 20248.4%
- July 20258.4%
- July 20268.4%
- Today8.4%
No change since July 2023.
Sales tax near Oroville
Closest cities
- Riverside30 mi8.4%
- Omak37 mi8.5%
- Brewster60 mi8.4%
- Coulee Dam71 mi8%
- Electric City74 mi8.2%
- Hartline88 mi8.2%
- Chewelah91 mi8%
- Metaline93 mi7.7%
Elsewhere in Okanogan County
- Omak8.5%
- Brewster8.4%
- Coulee Dam8%
- Riverside8.4%
Charge the right rate in Oroville, 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.
Oroville 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 Oroville, Washington?
The combined sales tax rate in Oroville is 8.4% as of November 2, 2026. It’s made up of 6.5% Washington state tax, 1.5% Okanogan County, 0.4% Okanogan PTBA.
Why does Oroville pay Okanogan PTBA tax?
A special district such as Okanogan PTBA levies its own sales tax on top of the state, county 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 Oroville’s 98844 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Oroville?
Yes, at the full 8.4%.
Do online sellers have to collect sales tax in Oroville?
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 Oroville’s 98844 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
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