Auto Upgrade Service

No. Auto Upgrade Service, Inc is not STAR certified. If your DMV renewal notice says "STAR Station Required," you will need to visit a STAR certified station instead.

No. Auto Upgrade Service, Inc 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 Upgrade Service, Inc is open Monday 9 AM to 5:30 PM; Tuesday 9 AM to 5:30 PM; Wednesday 9 AM to 5:30 PM; Thursday 9 AM to 5:30 PM; Friday 9 AM to 5:30 PM; Saturday 9 AM to 1 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Auto Upgrade Service, Inc accepts walk-ins, so you can drive in without booking ahead.

Auto Upgrade Service, Inc accepts Cash, Credit Card.

Auto Upgrade Service, Inc has held a BAR smog license since 2014. You can verify the license status at bar.ca.gov.

Auto Upgrade Service, Inc 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 (626) 282-5166 for a quote.

Auto Upgrade Service, Inc does not take online bookings here, but walk-ins are welcome. Call (626) 282-5166 to check the wait.

Staff at Auto Upgrade Service, Inc 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 Upgrade Service, Inc 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 Alhambra are Lu's Auto Repair (0.1 mi) and West Valley Automotive Inc (0.4 mi). Both are listed further up this page with their ratings and hours.