What is the sales tax in zip code 78663? - The sales tax in zip code 78663 in Round Mountain, Texas is 8.25% as of 2025. Use the 78663 sales tax rate calculator to calculate the sales tax for any purchase in 78663.
78663 Sales Tax Rate Calculator |
|
| Amount: | $ |
| Sales Tax: | % |
| Before Tax Price | |
|---|---|
| Sales Tax | |
| Final Price | |
Sales Tax By Zip Code | |
| Zip Code | |
|---|---|
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 |
|---|---|---|---|---|---|---|---|
| Blanco | Texas | Round Mountain | 78663 | 6.25% | 0% | 0% | 8.25% |