We specialize in Honest, Quality and Low Price Star Smog Check Station is located corner of the Ygnacio Valley Road and N. Civic Dr, at the 76 gas station right next to Buttercup Restaurant. Walnut Creek Star smog Check all your smog needs

Services; Our policy is to offer the best service along with the fairest price of Star Smog Check in the area of Walnut Creek and Contra Costa county. We provide gross polluter certification, out of state smog checks, regular smog inspection, diesels, hybrids as well as  STAR test only smog inspection.
People also ask;
What is a star smog check?
STAR stations are Smog Check stations that meet higher performance standards established by the Bureau of Automotive Repair. Some STAR stations are licensed to perform only tests, while others are licensed to perform both tests and repairs.
The station is required to post a sign on the services it performs.

STAR Program - Bureau of Automotive Repair - State of California

How often do you have to smog your car in California?
About the California Inspection Program. For counties requiring a smog inspection, the CA DMV employs a biennial smog certification program; meaning, your qualifying vehicle must undergo a
smog check every 2 years. Your registration renewal reminder should indicate whether it's time for your smog inspection.

California Smog Check | DMV.org

Opening Hours:

​​MONDAY - FRIDAY: 8:00 AM - 6:00 PM

SATURDAY: 9:00 AM - 4:00 PM

SUNDAY: 9:00 AM - 4:00 PM

690 Ygnacio Valley Rd.

Walnut Creek, CA 94596

About Us


We have been an official State of California test only smog centers since 1984. We are licensed by the Bureau of Automotive Repair (BAR) to inspect and certify all vehicles, foreign and domestic, including trucks, pick-up trucks, SUVs, vans RVs and gross polluter vehicles. Our clients in the Walnut Creek include government organizations, dealerships, and the general public.

For more information about:
Bureau of Automotive Repair, The Ca Air Resource Board and the services they provide please click on the following links ;