What is the sales tax in zip code 78644? - The sales tax in zip code 78644 in Lockhart, Texas is 8.25% as of 2025. Use the 78644 sales tax rate calculator to calculate the sales tax for any purchase in 78644.
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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 |
|---|---|---|---|---|---|---|---|
| Caldwell | Texas | Lockhart | 78644 | 6.25% | 0% | 0.5% | 8.25% |