Smog Star Express
California Licensed STAR Certified Smog Station — Concord, CA
Reviews & Testimonials
Don't just take our word for it — here's what our customers say about Smog Star Express.
"Did exactly what they said they would. Work completed in a timely manner. I will definitely go there next time I need a smog."
"Quick and professional. Honored my online appointment discount. Out with my certification in about 30 minutes. Definitely coming back!"
"Super fast and efficient. Done in 10 minutes with an appointment which was easy to make. I highly recommend them."
"Quickly began testing at appointment time. Out with my certification in about 30 min. Definitely coming back for my next smog check!"
"Quick and easy. The price was great. A positive experience for me."
"Very efficient service. Have been going here a few years now and will return again."
What Google Customers Are Saying
Corey Chow
October 5, 2026
I've been going here for years and it is a great location. The person working there was very helpful and nice. This is still my go to location for all my cars.
Eva Mitchell
September 30, 2026
No lines and very clean.
John Kim
September 25, 2026
Great smog station — fast, professional, and easy to work with.
Paul E.
April 30, 2019
Great place with amazing employees. Teddy gave first class service to me and everyone who came through the door. They also have employees who speak Spanish.
Matthew Newman
August 5, 2026
Pleasure relaxing in the shade while I waited. Highly recommend this place.
Serving the East Bay since 2004
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