Mid Valley Auto Care

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

No. Mid Valley Auto Care 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.

Mid Valley Auto Care 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. Mid Valley Auto Care accepts walk-ins, so you can drive in without booking ahead.

Mid Valley Auto Care accepts Cash, Credit Card.

Mid Valley Auto Care has held a BAR smog license since 2000. You can verify the license status at bar.ca.gov.

Mid Valley Auto Care 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) 473-2841 for a quote.

Mid Valley Auto Care does not take online bookings here, but walk-ins are welcome. Call (530) 473-2841 to check the wait.

Staff at Mid Valley Auto Care 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 Mid Valley Auto Care 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 Williams are Kisun's Smog And Repair (0.5 mi) and Harper's Auto Repair (1.0 mi). Both are listed further up this page with their ratings and hours.