Estabilished in 2002, Clean Air Smog is located in the south of market area, in downtown San Francisco on the corner of 11th and Harrison by Costco. We are a California State certified Smog Check station and provide services for all vehicles. Whether its a Star Certified, Gross polluter, Out of State registration, or just a regular smog check, our facility can handle it.
Our ASE Certified technicians operate two State-of-the Art Smog testing equipment, so there's never a wait time.

Rephrase with Ginger (Cmd+⌥+E)

Voted #1 in San Francisco !

15 minute Smog Checks
No Appointments Needed
Convenient Downtown SF Location (SOMA)
Waiting Room with Free wifi
Pet friendly

Services Offered

Star Certified Smog Check Inspection
Out of State Smog Test
Regular California Smog Check
Smog Check San Francisco
Gross Polluter Certification
We smog diesel's and hybrid's

Family Owned, Clean Air Smog has been around for 23 years now and has proudly performed over 300,000 smog checks since its inception. Besides maintaining an outstanding standard of excellence in professionalism, quality, and customer service.

Clean Air Smog has also been graciously awarded 5 star reviews on sites such as yelp, citysearch, google, yahoo and msn. We would like to thank all of our customers for your support. We couldn't have done it without you guys.

We look forward to seeing you guys again.

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clean Air Smog

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