U S Gas

Yes. U S Gas is STAR certified with the California Bureau of Automotive Repair, so it can test vehicles the DMV directs to a STAR station, including gross polluters.

No. U S Gas is licensed as a Test & Repair station. This station can run your smog test and, if the vehicle fails, diagnose and repair it in the same shop.

U S Gas is open Monday 5 AM to 12 AM; Tuesday 5 AM to 12 AM; Wednesday 5 AM to 12 AM; Thursday 5 AM to 12 AM; Friday 5 AM to 12 AM; Saturday 5 AM to 12 AM; Sunday 5 AM to 12 AM. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. U S Gas accepts walk-ins, so you can drive in without booking ahead.

U S Gas accepts Cash, Credit Card.

U S Gas has held a BAR smog license since 2004. You can verify the license status at bar.ca.gov.

U S Gas has not published a price on SmogCheckDeals. The Bureau of Automotive Repair puts the statewide average at $69.16 as of August 2026, about $65 for a 2000-or-newer vehicle and $73 for 1999-or-older, plus the $8.25 certificate fee. Call (714) 547-3966 for a quote.

U S Gas does not take online bookings here, but walk-ins are welcome. Call (714) 547-3966 to check the wait.

Staff at U S Gas speak English.

Bring the car, your registration or DMV renewal notice, and a way to pay. Most smog checks take 15 to 30 minutes, and most visits are closer to 20.

Because U S Gas is a Test & Repair station, it can diagnose and repair the problem in the same shop, then run the free retest within 30 days. If the repair bill is steep, California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in Santa Ana are The Auto Service (1.2 mi) and Lincoln South Coast (1.3 mi). Both are listed further up this page with their ratings and hours.