Rios Auto Tech

Yes. Rios Auto Tech 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. Rios Auto Tech 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.

Rios Auto Tech is open Monday 8 AM to 6 PM; Tuesday 8 AM to 6 PM; Wednesday 8 AM to 6 PM; Thursday 8 AM to 6 PM; Friday 8 AM to 6 PM; Saturday 8 AM to 6 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Rios Auto Tech accepts walk-ins, so you can drive in without booking ahead.

Rios Auto Tech accepts Cash, Credit Card.

Rios Auto Tech has held a BAR smog license since 2017. You can verify the license status at bar.ca.gov.

Rios Auto Tech 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 (424) 477-5084 for a quote.

Rios Auto Tech does not take online bookings here, but walk-ins are welcome. Call (424) 477-5084 to check the wait.

Staff at Rios Auto Tech 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 Rios Auto Tech 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 Wilmington are Batman Smog (0.3 mi) and Kingtero Smog (0.5 mi). Both are listed further up this page with their ratings and hours.