What is the sales tax in zip code 21530? - The sales tax in zip code 21530 in Flintstone, Maryland is 6% as of 2025. Use the 21530 sales tax rate calculator to calculate the sales tax for any purchase in 21530.
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Below is a list of the state sales tax, city sales tax, and county tax rate for .
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Allegany | Maryland | Flintstone | 21530 | 6% | 0% | 0% | 6% |