Question 1

How often do I need a smog check in California?

Accepted Answer

Every two years for most vehicles. At sale or transfer. First 8 years exempt for new cars. Out-of-state imports need one. Per California DMV registration rules.

Question 2

When do I need a smog check for registration renewal?

Accepted Answer

DMV notice will specify. Typically every other renewal. Newer cars get abatement fee instead. STAR-directed vehicles need STAR station. Per California DMV registration rules.

Question 3

Do I need a smog check when selling my car?

Accepted Answer

Seller responsible if over 4 years old. Must be within 90 days of sale. Buyer pays smog transfer fee. Exempt if same family. Per California DMV registration rules.

Question 4

How long is a California smog certificate valid?

Accepted Answer

90 days from inspection. Transmits to DMV electronically. Valid for registration use. Starts countdown at pass. Per California DMV registration rules.

Question 5

I just moved to California — do I need a smog check?

Accepted Answer

Yes within 20 days of residency. Out-of-state certs not accepted. Vehicle must be 1976 or newer gas. Diesel 1998 or newer. Per California DMV registration rules.

Question 6

Do I need a smog check for a family transfer?

Accepted Answer

Exempt parent spouse child sibling grandparent grandchild. Must file DMV exemption form. No certificate needed if exempt. Abatement fee may still apply. Per California DMV registration rules.

How often do I need a smog check in California?

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