Auto Stop Smog & Repair

Yes. Auto Stop Smog & Repair 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. Auto Stop Smog & Repair 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.

Auto Stop Smog & Repair is open Monday 8 AM to 5 PM; Tuesday 8 AM to 5 PM; Wednesday 8 AM to 5 PM; Thursday 8 AM to 5 PM; Friday 8 AM to 5 PM; Saturday 8 AM to 2 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Auto Stop Smog & Repair accepts walk-ins, so you can drive in without booking ahead.

Auto Stop Smog & Repair accepts Cash, Credit Card.

Auto Stop Smog & Repair has held a BAR smog license since 2013. You can verify the license status at bar.ca.gov.

Auto Stop Smog & Repair 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 (951) 637-7664 for a quote.

Auto Stop Smog & Repair does not take online bookings here, but walk-ins are welcome. Call (951) 637-7664 to check the wait.

Staff at Auto Stop Smog & Repair 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 Auto Stop Smog & Repair 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 Riverside are H & A Auto Center (0.7 mi) and Reyez Automotive (0.9 mi). Both are listed further up this page with their ratings and hours.