J & A Smog And Service

Yes. J & A Smog And Service is STAR certified with the California Bureau of Automotive Repair, so it can test vehicles the DMV directs to a STAR station, including gross polluters.

No. J & A Smog And Service is licensed as a Test & Repair station. This station can run your smog test and, if the vehicle fails, diagnose and repair it in the same shop.

J & A Smog And Service is open Monday 9 AM to 6 PM; Tuesday 9 AM to 6 PM; Wednesday 9 AM to 6 PM; Thursday 9 AM to 6 PM; Friday 9 AM to 6 PM; Saturday 9 AM to 3 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. J & A Smog And Service accepts walk-ins, so you can drive in without booking ahead.

J & A Smog And Service accepts Cash, Credit Card.

J & A Smog And Service has held a BAR smog license since 2016. You can verify the license status at bar.ca.gov.

J & A Smog And Service has not published a price on SmogCheckDeals. The Bureau of Automotive Repair puts the statewide average at $69.16 as of August 2026, about $65 for a 2000-or-newer vehicle and $73 for 1999-or-older, plus the $8.25 certificate fee. Call (650) 257-7491 for a quote.

J & A Smog And Service does not take online bookings here, but walk-ins are welcome. Call (650) 257-7491 to check the wait.

Staff at J & A Smog And Service speak English.

Bring the car, your registration or DMV renewal notice, and a way to pay. Most smog checks take 15 to 30 minutes, and most visits are closer to 20.

Because J & A Smog And Service is a Test & Repair station, it can diagnose and repair the problem in the same shop, then run the free retest within 30 days. If the repair bill is steep, California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in Redwood City are Woodside Auto & Tire Inc (0.6 mi) and Redwood City Test Only Smog Center (0.6 mi). Both are listed further up this page with their ratings and hours.