Test Only station Stockton, San Joaquin County
Tri Star Smog
347 South Commerce Street, Stockton, CA 95203
Tri Star Smog is a licensed test only smog check station at 347 South Commerce Street in Stockton. Its state license dates to 2025, which makes it number 39 of 49 Stockton stations by time licensed.
What this station can do
This is a test only station. It can run your smog check and certify a pass, but it cannot fix a car that fails. It is not STAR certified, so it cannot test a car your DMV notice sends to a STAR station.
License check
You can look up this station's license on the state's own site. Search the number below at search.dca.ca.gov. A smog check only counts if the station is licensed on the day of your test.
- Smog station license TC 311006
- Auto repair registration ARD 311006
- License expires 2026-12-31
Own this station? Fix your hours, phone or services.
Before you go
- Bring your DMV renewal notice if you have one, and the car's registration.
- Drive at least 20 minutes first so the engine is warm.
- If the check engine light is on, you will fail. Here is why.
- Prices are set by each station. The statewide average and what drives it are in our price guide.