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Best Smog Check in San Francisco, CA (2026)
Find smog check specialists near San Francisco, CA. Browse verified shops, compare ratings, and get direct contact info.
4 listings·4.8avg rating
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R & M Automotive
San Francisco, CA
Expert European car repair and maintenance in San Francisco since 1990.
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T&R Automotive Center
San Francisco, CA
Expert auto repair and maintenance for high-end European and exotic vehicles in San Francisco.
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Frequently Asked Questions about Smog Check in San Francisco
How much does a smog check cost in San Francisco?
Smog check fees in San Francisco vary by state and station type — typically $30–$90 for the test. If your vehicle fails, repair costs depend on what triggered the failure; many shops credit the test fee toward repairs.
How do I prepare my car for a smog check?
Drive your vehicle at highway speeds for at least 20 minutes before the test to warm up the catalytic converter. Make sure the check engine light is off, all monitors are ready, and the gas cap is tight.
What happens if my car fails a smog check?
You'll receive a report listing which emissions components failed. Many San Francisco smog stations also do repairs, or can refer you to a shop. Some states offer consumer assistance programs if repair costs are high.
Smog Check in San Francisco, CA
Due for a smog check in San Francisco, California? AutoGnome lists certified smog stations and repair shops that handle both testing and any required repairs. Find a station near you and contact them directly.