Guarantee Auto Repair

Yes. Guarantee Auto 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. Guarantee Auto 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.

Guarantee Auto 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. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

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

Guarantee Auto Repair accepts Cash, Credit Card.

Guarantee Auto Repair has held a BAR smog license since 2007. You can verify the license status at bar.ca.gov.

Guarantee Auto 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 (209) 466-7664 for a quote.

Guarantee Auto Repair does not take online bookings here, but walk-ins are welcome. Call (209) 466-7664 to check the wait.

Staff at Guarantee Auto 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 Guarantee Auto 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 Stockton are Auto Service El Dorado (28.6 mi) and Cal State Smogs (29.3 mi). Both are listed further up this page with their ratings and hours.