Qualifying Gasoline Vehicles in Collin County Need an Emissions Test

Since January 1, 2025, most non-commercial vehicles no longer need a safety check before registration. Owners pay a $7.50 replacement fee instead. A new vehicle from the current or prior model year pays $16.75 for its first two years if it has never been registered in any state.

Gas cars registered in Collin County need a yearly emissions test from model year 2 through 24. The test reads the car's computer. Registration needs a passing test or an approved waiver or time extension. Commercial vehicles still need a safety check. The DPS station locator shows certified test sites.