Sales tax in Multnomah County, Oregon
The sales tax rate in Multnomah County, Oregon is 0%. That is a 0% state rate, with no county rate on top: Multnomah County levies none, and it is the same at every address in the county.
What is the sales tax rate in Multnomah County?
| Oregon state rate | 0% |
|---|---|
| Combined rate | 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 Multnomah County?
The rate is the same across Multnomah County, but if you are collecting tax it is worth confirming against the source. Use Oregon's own lookup. A vendor's calculator is not the state speaking.
Who has to collect sales tax in Multnomah County?
A seller with a physical presence in Oregon collects at the rate for the address where the sale takes place. A remote seller collects once it passes Oregon's economic nexus threshold, which is a separate question from the rate and is covered on our sales tax nexus checker. Marketplace facilitators generally collect on behalf of their sellers.
How does Multnomah County compare?
See Oregon sales tax for the statewide picture, including the average local rate and what is exempt. Property tax is a separate tax with separate rules: property tax in Multnomah County.
Sources
- Multnomah County rates: Oregon Department of Revenue / Tax Foundation, State and Local Sales Tax Rates (Jan. 2026)
- Collected and verified September 10, 2026. Confidence: S on the rate components (P read on a primary agency page, S strong but indirect, U unverified).