Neil's Automotive

Yes. Neil's Automotive 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. Neil's Automotive 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.

Neil's Automotive 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. Neil's Automotive accepts walk-ins, so you can drive in without booking ahead.

Neil's Automotive accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at Neil's Automotive: wheelchair accessible entrance, wheelchair accessible parking, wheelchair accessible restroom.

Neil's Automotive has held a BAR smog license since 2020. You can verify the license status at bar.ca.gov.

Neil's Automotive 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) 626-3203 for a quote.

Neil's Automotive does not take online bookings here, but walk-ins are welcome. Call (530) 626-3203 to check the wait.

Staff at Neil's Automotive 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 Neil's Automotive 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 Diamond Springs are Commerce Way Smog & Service (1.3 mi) and Robinson's Automotive (1.4 mi). Both are listed further up this page with their ratings and hours.