No Emissions Test Required to Register Your Vehicle Here

As of January 1, 2025, most Texas vehicles no longer need a safety inspection before you register. San Patricio County also skips the emissions test. That test is only required in 17 counties — mostly near Dallas-Fort Worth, Houston, and El Paso.

You renew your vehicle registration through the San Patricio County Tax Assessor-Collector's office. That same office handles titles. You can renew online, by mail, or in person in Sinton.

TxDMV's website has a county office locator. It also lets you start an online renewal. Keep your proof of insurance current. Texas requires it to register.