Sales Tax Calculator - Grant 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 Grant County.
Tax Calculation
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The different sales tax rates like state sales tax, county tax rate and city tax rate in Grant County are 6.50%, 1.40% and 1.49%. Check sales tax rates by cities in Grant County
What is Grant County sales tax rates in 2025?
Grant County sales tax rates in Oct 2025 are:
| State Tax Rate | 6.50% |
| County Tax Rate | 1.40% |
| City Tax Rate | 1.49% |
| Special Tax Rate | 0.00% |
| Combined Tax Rate | 7.94% |
Which city has highest sales tax rates in Grant County?
List of cities with highest sales tax rates in Grant County:
- Ephrata - 8.20%
- Moses Lake - 8.10%
- Grand Coulee - 8.10%
- Mattawa - 7.90%
- Beverly - 7.90%
- Hartline - 7.90%
- Quincy - 7.90%
- Coulee City - 7.90%
- Royal City - 7.90%
- Soap Lake - 7.90%
Which city has lowest sales tax rates in Grant County?
List of cities with lowest sales tax rates in Grant County:
- Mattawa - 7.90%
- Beverly - 7.90%
- Hartline - 7.90%
- Quincy - 7.90%
- Coulee City - 7.90%
- Royal City - 7.90%
- Soap Lake - 7.90%
- Electric City - 7.90%
- Warden - 7.90%
- George - 7.90%
Sales Tax Rates by city - Grant County (Washington)
| CITY | COMBINED RATE | STATE RATE | COUNTY RATE | CITY RATE | SPECIAL RATE |
|---|---|---|---|---|---|
| Moses Lake | 8.10% | 6.50% | 0.00% | 1.60% | 0.00% |
| Mattawa | 7.90% | 6.50% | 1.40% | 0.00% | 0.00% |
| Beverly | 7.90% | 6.50% | 1.40% | 0.00% | 0.00% |
| Hartline | 7.90% | 6.50% | 0.00% | 1.40% | 0.00% |
| Grand Coulee | 8.10% | 6.50% | 0.00% | 1.60% | 0.00% |
| Quincy | 7.90% | 6.50% | 0.00% | 1.40% | 0.00% |
| Coulee City | 7.90% | 6.50% | 1.40% | 0.00% | 0.00% |
| Royal City | 7.90% | 6.50% | 1.40% | 0.00% | 0.00% |
| Soap Lake | 7.90% | 6.50% | 1.40% | 0.00% | 0.00% |
| Electric City | 7.90% | 6.50% | 0.00% | 1.40% | 0.00% |
| Warden | 7.90% | 6.50% | 1.40% | 0.00% | 0.00% |
| George | 7.90% | 6.50% | 0.00% | 1.40% | 0.00% |
| Ephrata | 8.20% | 6.50% | 0.00% | 1.70% | 0.00% |
| Wilson Creek | 7.90% | 6.50% | 0.00% | 1.40% | 0.00% |
| Marlin | 7.90% | 6.50% | 1.40% | 0.00% | 0.00% |
| Stratford | 7.90% | 6.50% | 1.40% | 0.00% | 0.00% |