Ontario Smog Check

Yes. Ontario Smog Check 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. Ontario 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.

Ontario Smog Check is open Monday 9 AM to 5 PM; Tuesday 9 AM to 5 PM; Wednesday 9 AM to 5 PM; Thursday 9 AM to 5 PM; Friday 9 AM to 5 PM; Saturday 9 AM to 2 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

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

Ontario Smog Check accepts Cash, Credit Card.

Ontario Smog Check has held a BAR smog license since 2020. You can verify the license status at bar.ca.gov.

Ontario Smog Check has a coupon price: $41.75 with this coupon.

Ontario Smog Check does not take online bookings here, but walk-ins are welcome. Call (909) 590-5100 to check the wait.

Staff at Ontario 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.

Ontario 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.