Porters Courtesy Corner & Garage

Yes. Porters Courtesy Corner & Garage 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.

No. Porters Courtesy Corner & Garage 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.

Porters Courtesy Corner & Garage is open Monday 7:30 AM to 5 PM; Tuesday 7:30 AM to 5 PM; Wednesday 7:30 AM to 5 PM; Thursday 7:30 AM to 5 PM; Friday 7:30 AM to 5 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Porters Courtesy Corner & Garage accepts walk-ins, so you can drive in without booking ahead.

Porters Courtesy Corner & Garage accepts Cash, Credit Card.

Porters Courtesy Corner & Garage has held a BAR smog license since 2006. You can verify the license status at bar.ca.gov.

Porters Courtesy Corner & Garage 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) 684-1717 for a quote.

Porters Courtesy Corner & Garage does not take online bookings here, but walk-ins are welcome. Call (951) 684-1717 to check the wait.

Staff at Porters Courtesy Corner & Garage 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 Porters Courtesy Corner & Garage 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 Riverside are Riverside Smog & Repair (0.7 mi) and Csai Smog Check Center (0.7 mi). Both are listed further up this page with their ratings and hours.