J & J Auto Shop

No. J & J Auto Shop is not STAR certified. If your DMV renewal notice says "STAR Station Required," you will need to visit a STAR certified station instead.

No. J & J Auto Shop 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.

J & J Auto Shop 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; Saturday 8 AM to 5 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. J & J Auto Shop accepts walk-ins, so you can drive in without booking ahead.

J & J Auto Shop accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at J & J Auto Shop: wheelchair accessible entrance, wheelchair accessible parking.

J & J Auto Shop has held a BAR smog license since 2004. You can verify the license status at bar.ca.gov.

J & J Auto Shop 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 (510) 471-3035 for a quote.

J & J Auto Shop does not take online bookings here, but walk-ins are welcome. Call (510) 471-3035 to check the wait.

Staff at J & J Auto Shop 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 J & J Auto Shop 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 Hayward are Whipple Quality Smog (0.6 mi) and Fast N Cheap Smog (1.2 mi). Both are listed further up this page with their ratings and hours.