California Smog Check Program

Program Information

Learn about the California Smog Check Program.

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Find a Station

Use our Auto Shop Locator to find a Smog Check station near you.

Auto Shop Locator

Frequently Asked Questions

Find answers to questions on requirements, results, inspections issues, and more.

Smog Check FAQ

Trouble passing Smog Check? We can help!

Consumer Assistance Program

Offers eligible consumers repair assistance and vehicle retirement options.

Consumer Assistance Program Information

Referee Program

Reviews inspection results, inspects unusual vehicles, and more.

Referee Program Information

View Your Vehicle's Smog Check History

Learn about Vehicle and Emissions Warranty Periods