Autoworld

No. Autoworld is not STAR certified. If your DMV renewal notice says "STAR Station Required," you will need to visit a STAR certified station instead.

No. Autoworld 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.

Autoworld is open Monday 9 AM to 7 PM; Tuesday 9 AM to 7 PM; Wednesday 9 AM to 7 PM; Thursday 9 AM to 7 PM; Friday 9 AM to 7 PM; Saturday 9 AM to 7 PM; Sunday 10 AM to 6 PM. Hours can change on holidays, so call ahead if you are cutting it close.

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

Autoworld accepts Cash, Credit Card.

Autoworld has held a BAR smog license since 2019. You can verify the license status at bar.ca.gov.

Autoworld 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 (707) 762-2712 for a quote.

Autoworld does not take online bookings here, but walk-ins are welcome. Call (707) 762-2712 to check the wait.

Staff at Autoworld 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 Autoworld 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 Petaluma are Victory Chevy Cadillac Olds Geo and North Bay Nissan (0.2 mi). Both are listed further up this page with their ratings and hours.