Price
Call for price
Hours
Open Mon–Sat
Station type
Test & Repair
Appointments
Walk-ins welcome
Hours
- Monday
- 9 AM – 6 PM
- Tuesday
- 9 AM – 6 PM
- Wednesday
- 9 AM – 6 PM
- Thursday
- 9 AM – 6 PM
- Friday
- 9 AM – 6 PM
- Saturday
- 9 AM – 3 PM
- Sunday
- Closed
Good to know
Languages
English
Payment
Cash, Credit Card
What to expect at Discount Smog
Discount Smog is licensed by the Bureau of Automotive Repair as a Test & Repair smog station in South Gate, so it can run the inspection and, if your car fails, diagnose and fix it in the same shop. It is STAR certified, so it can test vehicles the DMV directs to a STAR station, including gross polluters.
Walk-ins are welcome. Most smog checks take 15 to 30 minutes, and most visits are closer to 20.
What to bring
Your registration or DMV renewal notice
It says whether the car needs a STAR station.
The car, with the check engine light off
On a 2000-or-newer car, a lit check engine light fails the test on its own.
A way to pay
The $8.25 state certificate is paid on top of the test when the car passes, unless the station's price or coupon includes it.
What if I fail?
- Discount Smog can diagnose and repair the problem in the same shop, then retest the car.
- Each station sets its own retest price, so ask before the first test.
- BAR's Consumer Assistance Program pays up to $1,450 toward emissions repairs for income-eligible owners.
4948 Firestone Blvd, South Gate, CA 90280
Get directions →Hours
- Monday
- 9 AM – 6 PM
- Tuesday
- 9 AM – 6 PM
- Wednesday
- 9 AM – 6 PM
- Thursday
- 9 AM – 6 PM
- Friday
- 9 AM – 6 PM
- Saturday
- 9 AM – 3 PM
- Sunday
- Closed
Also listed on
Other stations near Discount Smog
Dons Smog Test Only
4936 Firestone Blvd
G J Smog Check
9609 S Atlantic Ave Unit M
A B Test Only Center
8674 Rheem Ave
MZ Test Only
10036 Wright Rd # C
Eds Garage
4230 Firestone Blvd
Nearby cities in Los Angeles County
Questions about Discount Smog
Discount Smog 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.
Discount Smog accepts Cash, Credit Card.
Discount Smog has held a BAR smog license since 2014. You can verify the license status at bar.ca.gov.
Discount Smog 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 does not take online bookings here, but walk-ins are welcome. Call (323) 563-0524 to check the wait.
Staff at Discount Smog speak English.
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.
How we get this data: BAR licenses and STAR status, Google hours and ratings, coupons published by the station.
Verify this station’s license and STAR standing at bar.ca.gov.
Own this shop? Add photos
BAR field office: South El Monte • Licensed since 2014