What is the sales tax in Gunpowder city? - The sales tax in Gunpowder city of Maryland is 6% as of 2025. Use the Gunpowder sales tax calculator to calculate the sales tax for any purchase in Gunpowder.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Gunpowder.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Harford | Maryland | Gunpowder | 21010 | 6% | 0% | 0% | 6% |