Leo Smog Check

Leo Smog Check 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.

Yes. Leo Smog Check 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.

Leo Smog Check is open Monday 8:30 AM to 6 PM; Tuesday 8:30 AM to 6 PM; Wednesday 8:30 AM to 6 PM; Thursday 8:30 AM to 6 PM; Friday 8:30 AM to 6 PM; Saturday 9 AM to 4 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

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

Leo Smog Check accepts Credit Card, Debit Card.

Google lists the following accessibility features at Leo Smog Check: wheelchair accessible entrance, wheelchair accessible parking.

Leo Smog Check has held a BAR smog license since 2015. You can verify the license status at bar.ca.gov.

Leo Smog Check 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 (714) 738-6645 for a quote.

Leo Smog Check does not take online bookings here, but walk-ins are welcome. Call (714) 738-6645 to check the wait.

Staff at Leo Smog Check 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.

Leo Smog Check 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 Fullerton are Fullerton Stop N Smog (0.2 mi) and Harbor Smog Check (0.8 mi). Both are listed further up this page with their ratings and hours.