Sales Tax Calculator - Columbia County (Washington)

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Sales tax calculator to help you calculate tax amount and total amount. It gives you taxable amount, tax and total amount in Columbia County.

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Tax Calculation

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The different sales tax rates like state sales tax, county tax rate and city tax rate in Columbia County are 6.50%, 0.00% and 1.80%. Check sales tax rates by cities in Columbia County

What is Columbia County sales tax rates in 2025?

Columbia County sales tax rates in Jan 2025 are:
State Tax Rate6.50%
County Tax Rate0.00%
City Tax Rate1.80%
Special Tax Rate0.00%
Combined Tax Rate8.30%

Which city has highest sales tax rates in Columbia County?

List of cities with highest sales tax rates in Columbia County:
  • Dayton - 8.40%
  • Starbuck - 8.20%

Which city has lowest sales tax rates in Columbia County?

List of cities with lowest sales tax rates in Columbia County:
  • Starbuck - 8.20%
  • Dayton - 8.40%

Sales Tax Rates by city - Columbia County (Washington)

CITY COMBINED RATE STATE RATE COUNTY RATE CITY RATE SPECIAL RATE
Dayton 8.40% 6.50% 0.00% 1.90% 0.00%
Starbuck 8.20% 6.50% 0.00% 1.70% 0.00%