Fast Smog

Fast Smog is a STAR certified test-and-repair smog check station in South Gate, CA.

3.5(113 reviews)

2945 Century Blvd, South Gate, CA 90280

Price

Call for price

Hours

Open Mon–Sat

Station type

Test & Repair

Appointments

Walk-ins welcome

STAR Certified - Authorized for directed vehicles and gross polluters

Hours

Monday
8 AM – 5 PM
Tuesday
8 AM – 5 PM
Wednesday
8 AM – 5 PM
Thursday
8 AM – 5 PM
Friday
8 AM – 5 PM
Saturday
8 AM – 3 PM
Sunday
Closed

Good to know

Languages

English

Payment

Cash, Credit Card

What to expect at Fast Smog

Fast 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?

  • Fast 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.
Repair assistance (CAP)
Fast Smog2945 Century BlvdOpen in Maps

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2945 Century Blvd, South Gate, CA 90280

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Nearby cities in Los Angeles County

Lynwood1.5 miBell2.3 miBell Gardens2.3 miHuntington Park2.3 miMaywood3.1 miLos Angeles3.3 miDowney4.0 miParamount4.0 mi

Questions about Fast Smog

Fast Smog is open Monday 8 AM to 5 PM; Tuesday 8 AM to 5 PM; Wednesday 8 AM to 5 PM; Thursday 8 AM to 5 PM; Friday 8 AM to 5 PM; Saturday 8 AM to 3 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Fast Smog accepts Cash, Credit Card.

Fast Smog has held a BAR smog license since 2008. You can verify the license status at bar.ca.gov.

Fast 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) 357-9430 for a quote.

Fast Smog does not take online bookings here, but walk-ins are welcome. Call (323) 357-9430 to check the wait.

Staff at Fast Smog speak English.

The closest alternatives in South Gate are Garys Automotive (0.7 mi) and Quick Smog Test Only (1.2 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.

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BAR field office: South El Monte • Licensed since 2008

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