Rays Radiator

Yes. Rays Radiator is STAR certified with the California Bureau of Automotive Repair, so it can test vehicles the DMV directs to a STAR station, including gross polluters.

No. Rays Radiator 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.

Rays Radiator is open Monday 8 AM to 4:30 PM; Tuesday 8 AM to 4:30 PM; Wednesday 8 AM to 4:30 PM; Thursday 8 AM to 4:30 PM; Friday 8 AM to 4:30 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

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

Rays Radiator accepts Credit Card, Debit Card, NFC/Contactless.

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

Rays Radiator has held a BAR smog license since 2010. You can verify the license status at bar.ca.gov.

Rays Radiator 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) 273-6081 for a quote.

Rays Radiator does not take online bookings here, but walk-ins are welcome. Call (530) 273-6081 to check the wait.

Staff at Rays Radiator 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 Rays Radiator 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 Grass Valley are Certified Automotive Repair Servic (0.1 mi) and Neighborhood Automotive (0.5 mi). Both are listed further up this page with their ratings and hours.