Discount Smog

Yes. Discount Smog Inc 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. Discount Smog Inc 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.

Discount Smog Inc is open Monday 9 AM to 6 PM; Tuesday 9 AM to 6 PM; Wednesday 9 AM to 6 PM; Thursday 9 AM to 6 PM; Friday 9 AM to 6 PM; Saturday 9 AM to 3 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

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

Discount Smog Inc accepts Cash, Credit Card.

Discount Smog Inc has held a BAR smog license since 2014. You can verify the license status at bar.ca.gov.

Discount Smog Inc 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 (323) 563-0524 for a quote.

Discount Smog Inc does not take online bookings here, but walk-ins are welcome. Call (323) 563-0524 to check the wait.

Staff at Discount Smog Inc 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 Discount Smog Inc 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 South Gate are Dons Smog Test Only and G J Smog Check (0.4 mi). Both are listed further up this page with their ratings and hours.