top of page
Store Front


"Committed to Excellence" has been proudly providing high quality GAS and SMOG services to the Concord area since 2000. What differentiates us from other businesses is our ability to truly connect with our customers, We are Star Certified Test Only Smog Station and we provide the exceptional, compassionate service they deserve. To learn more, simply browse through our site.

Home: Welcome


Exceeding Your Expectations has earned its positive reputation because we go out of our way to provide truly exceptional service to each of our customers. We understand that your needs can change last minute, and we’re ready to adapt our services quickly to ensure your success, we welcome Walk-ins, appointments or a referral (fleet) we are happy to accomodate your needs. Read on to learn more about what we can do for you.

customer service
book an appointment.jpg
star check.jpg


Next Level Service

With the State 0f the Art Equipments, latest technology and over 32 years experience in the Smog testing business we are confident we will deliver excellence!! whether you own a diesel, hybrid, a 2000 year or newer Vehicle, a 1999 or older Vehicle, an ownership change, out of state Vehicle registration, rest Assured we can do it all for you .


Here For You

  • State of Calif. official Smog Station.

  • Smog test only Station.

  • Smog in 15 minutes (most cars)

  • Affordable high quality Service.

  • DMV Smog Checks.

  • Diesel Smog Check

  • DMV Renewal Smog Test

  • Hybrid Smog Tests

  • Out of State Smog Check

  • Regular Smog Inspection

  • Test Only Smog Center

  • 5 STAR Yelp Reviews!

  • FREE Retest (within 60 days)


(925) 689-8259


BOOK AN APPOINTMENT TODAY!! Frequently utilized by most of our customers, this service has been essential to success on many occasions. When it comes to all of our services, you can count on us to take care of your every need. We pride ourselves on our exceptional customer service, and guarantee you’ll love working with our team. Let us know how we can assist you today. WALK-INS WELCOME!!


(925) 689-8259

Satisfaction Guaranteed

We want all of our customers to experience the impressive level of professionalism when working with We Strive for a FIVE STAR rating, but if we fall short of doing so, please give us the chance to make it right and to earn your business.  All of our services, especially this one, exist to make your life easier and stress free. You can trust us to supply you with the best and honest smog test that you and the State of California had taught us to do it RIGHT!!, as well as top quality customer service.

Home: Services
star smog.png



Since opening in 2000, we have become masters of our craft. Our commitment to quality products, exceptional services and incomparable customer care keep our community coming back again and again.

We never stop improving, and will continue to expand our offerings based on how we can best serve the Concord area. our professional staff together with many years of experience we promise to deliver an exceptional Smog experience that would like you to tell your friends about us. whether you own a 2000 or newer car, or truck or simply have a 1999 or older car, truck  that require Dyno testing our trained staff can do it all.   Get in touch with us today to learn how can help you.

Home: About

CONTACT US is committed to exceeding your needs. Questions, comments or special requests? We’d love to hear from you, so don’t hesitate to reach out today.

2898 Willow Pass Road

Concord, California 94519


  • Facebook
  • Twitter
  • LinkedIn

Thanks for submitting!

Open Sign
Home: Contact
tail pipe smog.png


Come Visit

Mon - Fri: 8am - 6pm

Sat: 9am - 4pm

Sun: Closed

Learn More About Smog
Home: Opening Hours
bottom of page