Verified April 2026
How to Calculate Sales Tax in Multnomah, Oregon
2026 Step-by-Step Guide for Businesses & Consumers
Current Multnomah Sales Tax Rate
| Jurisdiction | Rate |
|---|---|
| Oregon State Sales Tax | 0.000% |
| Total Combined Rate | 0.000% |
How to Calculate Sales Tax in Multnomah
-
1
Find the combined rate
The combined sales tax rate in Multnomah is 0.000%. This equals: Oregon state rate of 0.000% + County 0.000%.
-
2
Convert the percentage to a decimal
0.000 ÷ 100 = 0.0000
-
3
Multiply by your purchase amount
Example: $100.00 × 0.0000 = $0.00 in sales tax
-
4
Add tax to the original price
$100.00 + $0.00 = $100.00 total cost
What's Taxable in Oregon?
Most tangible personal property is taxable in Oregon. Check with the
Oregon Department of Revenue for specific exemption categories.
Do You Have Nexus in Oregon?
Economic Nexus Threshold
If your business has over $0 in annual
Oregon sales or 0 transactions,
you are required to collect and remit Oregon sales tax. This applies to out-of-state remote sellers too.
Expert Sales Tax Tips for Multnomah
Out-of-State Sellers
Selling into Oregon from out of state? Register before you cross the $100,000 threshold to avoid back taxes and penalties.
Frequently Asked Questions
Sales Tax Calculator
Using 0.000% rate for Multnomah
$
Tax Amount
$0.00
Total with Tax
$100.00
Rate applied: 0.000% combined