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Contact Clean Air Smog

Clean Air Smog is conveniently located in Downtown San Francisco in the Soma District. If you have any questions, concerns, or comments… feel free to shoot us an email at or give us a call below. We look forward to hearing from you.


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Clean Air Smog & Test Only Center
368 11th Street
San Francisco, CA. 94103

Hours: Monday - Friday 8:00 am - 6:00 pm
             Saturday 8:00 am - 5:00 pm