What is the sales tax in Port Isabel city? - The sales tax in Port Isabel city of Texas is 8.25% as of 2025. Use the Port Isabel sales tax calculator to calculate the sales tax for any purchase in Port Isabel.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Port Isabel.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Cameron | Texas | Port Isabel | 78578 | 6.25% | 2% | 0% | 8.25% |