Monday–Friday 9:00 AM–5:00 PM | Saturday 8:00 AM–3:00 PM | Sunday we are Closed
Founded in 2002, Clean Air Smog is an independent, STAR Certified smog check station located in the heart of San Francisco. Our goal is straightforward — to deliver quick, honest, and affordable smog inspections without the stress.
With over 300,000 smog checks completed, we’ve earned our reputation through transparency and dependable results. In addition, our customer service team explains every step clearly so you feel confident during your visit.
We offer smog testing, repairs, re-testing, waivers, and certification for all vehicles—fast, reliable, and hassle-free
We provide oil and filter replacement, fluid top-ups, and thorough engine, tire, and vehicle inspections to keep your car running smoothly inside and out
Hybrids, diesels, out-of-state, high emitters—plus conventional & synthetic oil options
Smog in about 15 minutes; oil change includes filter and multi-point check
Clear estimates, honest recommendations, and friendly smiles
9:00 AM – 5:00 PM
8:00 AM – 3:00 PM
We are closed
9:00 AM – 5:00 PM
8:00 AM – 3:00 PM
We are closed
