One Stop Smog Checks

Yes. One Stop Smog Checks 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. One Stop Smog Checks 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.

One Stop Smog Checks is open Monday 8:30 AM to 5:30 PM; Tuesday 8:30 AM to 5:30 PM; Wednesday 8:30 AM to 5:30 PM; Thursday 8:30 AM to 3:30 AM; Friday 8:30 AM to 3:30 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. One Stop Smog Checks accepts walk-ins, so you can drive in without booking ahead.

One Stop Smog Checks accepts Cash, Credit Card.

One Stop Smog Checks has held a BAR smog license since 2002. You can verify the license status at bar.ca.gov.

One Stop Smog Checks 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 (530) 743-4055 for a quote.

One Stop Smog Checks does not take online bookings here, but walk-ins are welcome. Call (530) 743-4055 to check the wait.

Staff at One Stop Smog Checks 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 One Stop Smog Checks 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 Olivehurst are American Tire & Smog (0.1 mi) and 530 Smog (2.4 mi). Both are listed further up this page with their ratings and hours.