The state sales tax rate in Texas is 6.25%. Local jurisdictions in Texas collect sales taxes at rates up to 2%, so the maximum, including local, is 8.25%.
For a list of local sales tax rates in Texas, please see the link below:
https://www.salestaxhandbook.com/texas/rates
The Texas state sales tax rate may be found on Page A-17 of IRS Form Schedule A instructions, link provided below:
https://www.irs.gov/pub/irs-pdf/i1040sca.pdf
