Test and Repair station Fontana, San Bernardino County
Williams Independent
9435 Sierra Ave, Fontana, CA 92335
Williams Independent is a licensed test and repair smog check station at 9435 Sierra Ave in Fontana and is STAR certified. Its state license dates to 2007, which makes it number 6 of 39 Fontana stations by time licensed.
What this station can do
This is a test and repair station. It can test your car and also fix emissions problems if it fails, then retest it.
Because it is STAR certified, it can test cars the DMV directed to a STAR station. What STAR means.
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 RC 248111
- Auto repair registration ARD 248111
- License expires 2026-11-30
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.