Sales tax in Union County, Oregon
The sales tax rate in Union County, Oregon is 0%. That is a 0% state rate, with no county rate on top: Union County levies none, and it is the same at every address in the county. That rate was read from Oregon's own published schedule and checked on August 30, 2026.
What is the sales tax rate in Union County?
| Oregon state rate | 0% |
|---|---|
| Combined rate | 0% |
Sales tax in counties next to Union County
Union County borders 4 counties.
| County | Combined sales tax |
|---|---|
| Baker County, OR | 0% |
| Grant County, OR | 0% |
| Umatilla County, OR | 0% |
| Wallowa County, OR | 0% |
| Union County, OR (this county) | 0% |
Why the rate here is not the whole story
No state or local sales tax of any kind; state government relies primarily on personal income tax revenue.
How do I find the exact rate for an address in Union County?
Use Oregon's own address lookup.
Who has to collect sales tax in Union County?
Any seller with a physical presence in Oregon collects at the rate for the address of the sale; a remote seller does once it passes Oregon's economic nexus threshold. Oregon sales tax covers the statewide rules and what is exempt.
Work out your own numbers
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Sales tax calculator
Tax on a specific purchase at this county's rate, and the total you will actually pay.
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Do you have to collect?
Whether your sales into Oregon cross its economic nexus threshold. A different question from the rate.
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Property tax in Union County
The other local tax: effective rate and median bill for this county.
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Sales tax by county
Every US county, and how Oregon compares with the rest of the country.
Sources
- Union County rates: Oregon Department of Revenue / Tax Foundation, State and Local Sales Tax Rates (Jan. 2026)
- Collected and verified August 30, 2026. Confidence: S on the rate components (P read on a primary agency page, S strong but indirect, U unverified).