Precise Auto

Yes. Precise Auto 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. Precise Auto 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.

Precise Auto is open Monday 9 AM to 4 PM; Tuesday 9 AM to 4 PM; Wednesday 9 AM to 4 PM; Thursday 9 AM to 4 PM; Saturday 9 AM to 4 PM. Closed Friday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Precise Auto accepts walk-ins, so you can drive in without booking ahead.

Precise Auto accepts Cash, Credit Card.

Precise Auto has held a BAR smog license since 2007. You can verify the license status at bar.ca.gov.

Precise Auto 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 (415) 731-2733 for a quote.

Precise Auto does not take online bookings here, but walk-ins are welcome. Call (415) 731-2733 to check the wait.

Staff at Precise Auto 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 Precise Auto 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 San Francisco are 19th And Taraval Smog Test (1.3 mi) and Tamm Auto Service Corp (1.4 mi). Both are listed further up this page with their ratings and hours.