Discount Auto Service

Discount Auto Service holds a STAR certification that is currently suspended in the BAR registry, which means it cannot test DMV-directed vehicles until the certification is restored.

No. Discount Auto Service 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.

Discount Auto Service is open Monday 8 AM to 7 PM; Tuesday 8 AM to 7 PM; Wednesday 8 AM to 6 PM; Thursday 8 AM to 6 PM; Friday 8 AM to 6 PM; Saturday 8 AM to 5 PM; Sunday 8 AM to 6 PM. Hours can change on holidays, so call ahead if you are cutting it close.

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

Discount Auto Service accepts Cash, Credit Card.

Discount Auto Service has held a BAR smog license since 2012. You can verify the license status at bar.ca.gov.

Discount Auto Service 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 (909) 670-0811 for a quote.

Discount Auto Service does not take online bookings here, but walk-ins are welcome. Call (909) 670-0811 to check the wait.

Staff at Discount Auto Service 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 Discount Auto Service 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 Montclair are The Smog Check Center (0.2 mi) and A 1 Lube & Tune (0.3 mi). Both are listed further up this page with their ratings and hours.