The Smog Master Test Center

Yes. The Smog Master Test Center 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.

Yes. The Smog Master Test Center is licensed as a Test Only smog station. This station performs the smog test and issues the certificate. It does not do repairs, so a failed vehicle has to be fixed elsewhere and brought back.

The Smog Master Test Center is open Monday 9:30 AM to 5 PM; Tuesday 9:30 AM to 5 PM; Wednesday 9:30 AM to 5 PM; Thursday 9:30 AM to 5 PM; Friday 9:30 AM to 5 PM; Saturday 9:30 AM to 3 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. The Smog Master Test Center accepts walk-ins, so you can drive in without booking ahead.

The Smog Master Test Center accepts Cash, Credit Card.

The Smog Master Test Center has held a BAR smog license since 2008. You can verify the license status at bar.ca.gov.

The Smog Master Test Center 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) 336-5146 for a quote.

The Smog Master Test Center does not take online bookings here, but walk-ins are welcome. Call (626) 336-5146 to check the wait.

Staff at The Smog Master Test Center 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.

The Smog Master Test Center is a Test Only station, so it cannot do the repair. You would have the work done at a repair shop, then come back for the free retest within 30 days. California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in La Puente are The Shop Auto Repair (0.6 mi) and Quality Auto Service Test Only Center (0.9 mi). Both are listed further up this page with their ratings and hours.