Certified Automotive

Yes. Certified Automotive 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. Certified Automotive 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.

Certified Automotive 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 9 AM to 2 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Certified Automotive accepts walk-ins, so you can drive in without booking ahead.

Certified Automotive accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at Certified Automotive: wheelchair accessible entrance, wheelchair accessible parking, wheelchair accessible restroom.

Certified Automotive has held a BAR smog license since 2007. You can verify the license status at bar.ca.gov.

Certified Automotive 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) 357-2698 for a quote.

Certified Automotive does not take online bookings here, but walk-ins are welcome. Call (209) 357-2698 to check the wait.

Staff at Certified Automotive 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 Certified Automotive 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 Atwater are Lupita's Auto Sales, Inc (1.0 mi) and Atwater Smog Center Llc (1.3 mi). Both are listed further up this page with their ratings and hours.