Vehicle Registration
No annual inspection sticker needed to register a car in Starr County
If you remember the yearly trip to get a safety inspection before renewing your registration, that's over for most Starr County drivers. As of January 1, 2025, Texas dropped the safety-inspection requirement for non-commercial vehicles, so you no longer chase a passing sticker before you register. The state folded a small inspection-program replacement fee into registration instead, so the cost didn't fully vanish, just the errand did.
The emissions test is a separate thing, and it only applies in seventeen Texas counties clustered around the big metros: Harris, Dallas, Tarrant, Travis, El Paso, and the like. Starr County isn't one of them and never has been, so there's no tailpipe test down here either.
Local registration and titling run through the Starr County Tax Office at 100 N. FM 3167 in Rio Grande City, with substations in La Victoria and Roma. Commercial trucks still play by their own inspection rules; that change only freed up the regular passenger crowd.
Source to confirm: TxDMV — Register Your Vehicle