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Plain-English answers to every California smog check question
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Cost & Payment
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Are there any smog check discounts or coupons?
Yes. Every shop in the network runs a new-customer offer — mention it at your visit and it's honored right at the counter.
Do you accept credit cards for smog check?
At Cal Smog Network stations:
Yes — all major cards are accepted.
Does a STAR smog check cost more than regular?
At Cal Smog Network stations:
Not automatically — BAR doesn't set a price difference between STAR and regular stations. Each shop posts its own price.
How much does a smog check cost in California?
The typical range is $30-$90.
Is the certificate fee charged if my car fails?
No — the fee is only paid if the vehicle passes.
What is the $8.25 certificate fee?
It is a state-set fee.
Why do diesel smog checks cost more?
Diesel checks require specialized OBD equipment.
Why does smog check pricing vary between shops?
Pricing varies by vehicle type.
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