Alta Sierra Smog

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

Yes. Alta Sierra Smog 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.

Alta Sierra Smog is open Monday 8 AM to 5 PM; Tuesday 8 AM to 5 PM; Wednesday 8 AM to 5 PM; Thursday 8 AM to 5 PM; Friday 8 AM to 5 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Alta Sierra Smog accepts walk-ins, so you can drive in without booking ahead.

Alta Sierra Smog accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at Alta Sierra Smog: wheelchair accessible entrance, wheelchair accessible parking, wheelchair accessible restroom.

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

Alta Sierra Smog 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 (530) 272-7854 for a quote.

Alta Sierra Smog does not take online bookings here, but walk-ins are welcome. Call (530) 272-7854 to check the wait.

Staff at Alta Sierra Smog 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.

Alta Sierra Smog 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 Grass Valley are Neighborhood Automotive (3.8 mi) and Rays Radiator (4.1 mi). Both are listed further up this page with their ratings and hours.