Smog Check Guides
Straight answers on requirements, cost, exemptions, and what to do if your car fails — written from California Bureau of Automotive Repair and DMV program rules.
All guides
California Smog Check Requirements: The Complete Guide
Which California vehicles need a smog check, how often, and where the rules come from — registration renewal, ownership transfer, and initial registration explained.
How Much Does a Smog Check Cost in California?
What a California smog check actually costs: the state certificate fee, typical inspection prices, and financial help if your car fails.
Which Vehicles Are Exempt From Smog Check in California?
Full breakdown of California's smog check exemptions: permanent exemptions by model year and fuel type, plus the newer-vehicle fee-instead-of-test exemptions.
STAR Certified Smog Stations Explained
What STAR certification means, why some California drivers are required to use a STAR station, and how to tell if your vehicle is one of them.
My Car Failed Smog Check: What to Do Next
Steps to take after a failed California smog check: diagnosis, repair options, retesting, and financial assistance through the state's Consumer Assistance Program.
Test-Only vs. Test-and-Repair Smog Stations: What's the Difference
Why California has smog stations that only test and can't repair, and how to tell which type a station is before you go.