Carbon Auto

No. Carbon 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.

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

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

Carbon Auto accepts Cash, Credit Card.

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

Carbon 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 (916) 392-8988 for a quote.

Carbon Auto does not take online bookings here, but walk-ins are welcome. Call (916) 392-8988 to check the wait.

Staff at Carbon 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 Carbon 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 Sacramento are Smog Bros (0.4 mi) and Smog Xperts Llc (1.4 mi). Both are listed further up this page with their ratings and hours.