Miller Oil Company

Yes. Miller Oil Company 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.

Yes. Miller Oil Company is licensed as a Test Only smog station. This station performs the smog test and issues the certificate. It does not do repairs, so a failed vehicle has to be fixed elsewhere and brought back.

Miller Oil Company is open Monday 9 AM to 5:30 PM; Tuesday 9 AM to 5:30 PM; Wednesday 9 AM to 5:30 PM; Thursday 9 AM to 5:30 PM; Friday 9 AM to 5:30 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Miller Oil Company accepts walk-ins, so you can drive in without booking ahead.

Miller Oil Company accepts Cash, Credit Card.

Miller Oil Company has held a BAR smog license since 2005. You can verify the license status at bar.ca.gov.

Miller Oil Company 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) 829-5098 for a quote.

Miller Oil Company does not take online bookings here, but walk-ins are welcome. Call (707) 829-5098 to check the wait.

Staff at Miller Oil Company 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.

Miller Oil Company is a Test Only station, so it cannot do the repair. You would have the work done at a repair shop, then come back for the free retest within 30 days. California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in Sebastopol are D1 Smog Check and Golden Gear Automotive. Both are listed further up this page with their ratings and hours.