Smog Star Express – a STAR Station

1130 Detroit Ave, Concord, CA * (925) 356-6858 * MON-FRI 8am-7pm * SAT 8am-6pm * SUN 9am-5pm

Welcome to Your STAR Smog Test Station

Smog Star Express - a Star Smog Check Technician
Se Habla Espanol

Voted the “Best Place to Get Smogged!”

by the East Bay Express


Smog Star Express

(925) 356-6858

1130 Detroit Avenue, Concord, CA 94520


Monday – Friday 8:00 am – 7:00 pm

Saturday 8:00 am – 6:00 pm

       Sunday 9:00 am -5:00 pm   .



We are a STAR Smog Test Station!

Here’s What We Do:
  • NEW in 2013!  California’s Official TEST-ONLY and STAR Smog Station
  • We can do ANY smog on ANY vehicle (including RVs)
  • Since 2010, DIESELs require smogs – we do that too
  • No appointment necessary
  • Smog Star Express has two fully equipped testing bays for fast and reliable service
  • We provide pick-up service within a 5 mile radius

 Let Us Serve You:

  • Family-owned and operated
  • Honest business practices, BBB Honor Roll members
  • Experienced and courteous ace techs
  • Complimentary snacks and sodas too!
  • Commitment to customer service
  • UC Berkeley Alums and longtime supporter of East Bay communities
  • Corporate accounts: we process Purchase Orders

Green BusinessValue StarPeople Love Us on Yelp!

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Serving the East Bay Since 2004

Concord, Martinez, Pleasant Hill, Clayton, Benicia, Pittsburg, Walnut Creek, Danville, Moraga, Alamo, and San Ramon.

(c) 2004-2015 All Rights Reserved.