Carmax

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

No. Carmax 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.

Carmax is open Monday 10 AM to 9 PM; Tuesday 10 AM to 9 PM; Wednesday 10 AM to 9 PM; Thursday 10 AM to 9 PM; Friday 10 AM to 9 PM; Saturday 9 AM to 9 PM; Sunday 11 AM to 7 PM. Hours can change on holidays, so call ahead if you are cutting it close.

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

Carmax accepts Credit Card, Debit Card.

Google lists the following accessibility features at Carmax: wheelchair accessible entrance, wheelchair accessible parking.

Carmax has held a BAR smog license since 2024. You can verify the license status at bar.ca.gov.

Carmax 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) 430-0359 for a quote.

Carmax does not take online bookings here, but walk-ins are welcome. Call (707) 430-0359 to check the wait.

Staff at Carmax 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 Carmax 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 Fairfield are Mercedes Benz Of Fairfield (0.1 mi) and Ford Lincoln Fairfield (0.2 mi). Both are listed further up this page with their ratings and hours.