A-1 Tony Hernandez Smog

Yes. A-1 Tony Hernandez Smog 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. A-1 Tony Hernandez Smog 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.

A-1 Tony Hernandez Smog is open Monday 8:30 AM to 5:30 PM; Tuesday 8:30 AM to 5:30 PM; Wednesday 8:30 AM to 5:30 PM; Thursday 8:30 AM to 5:30 PM; Friday 8:30 AM to 5:30 PM; Saturday 9 AM to 3:30 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. A-1 Tony Hernandez Smog accepts walk-ins, so you can drive in without booking ahead.

A-1 Tony Hernandez Smog accepts Cash, Credit Card.

A-1 Tony Hernandez Smog has held a BAR smog license since 2023. You can verify the license status at bar.ca.gov.

A-1 Tony Hernandez Smog 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 (209) 572-1894 for a quote.

A-1 Tony Hernandez Smog does not take online bookings here, but walk-ins are welcome. Call (209) 572-1894 to check the wait.

Staff at A-1 Tony Hernandez Smog 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 A-1 Tony Hernandez Smog 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 Modesto are Titos Smog And Auto Repair (0.8 mi) and Sam's Complete Auto Inc (0.9 mi). Both are listed further up this page with their ratings and hours.