Underhood Automotive

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

No. Underhood Automotive Inc 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.

Underhood Automotive Inc 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. Underhood Automotive Inc accepts walk-ins, so you can drive in without booking ahead.

Underhood Automotive Inc accepts Cash, Credit Card.

Underhood Automotive Inc has held a BAR smog license since 2007. You can verify the license status at bar.ca.gov.

Underhood Automotive Inc 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) 223-3489 for a quote.

Underhood Automotive Inc does not take online bookings here, but walk-ins are welcome. Call (530) 223-3489 to check the wait.

Staff at Underhood Automotive Inc 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 Underhood Automotive Inc 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 Redding are Thrive Automotive Churn Creek (0.3 mi) and Jiffy Lube #1779 (0.3 mi). Both are listed further up this page with their ratings and hours.