Preferred Smog Center

Yes. Preferred Smog 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. Preferred Smog 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.

Preferred Smog Center 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 3 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

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

Preferred Smog Center accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at Preferred Smog Center: wheelchair accessible entrance, wheelchair accessible parking.

Preferred Smog Center has held a BAR smog license since 2018. You can verify the license status at bar.ca.gov.

Preferred Smog 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 (951) 268-6127 for a quote.

Preferred Smog Center does not take online bookings here, but walk-ins are welcome. Call (951) 268-6127 to check the wait.

Staff at Preferred Smog 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.

Preferred Smog 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 Corona are Corona Test Only (1.1 mi) and West Auto Diagnostics Of Corona, Inc (2.0 mi). Both are listed further up this page with their ratings and hours.