Harder Automotive

Yes. Harder Automotive Inc 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. Harder Automotive Inc 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.

Harder Automotive Inc is open Monday 8:30 AM to 6 PM; Tuesday 8:30 AM to 6 PM; Wednesday 8:30 AM to 6 PM; Thursday 8:30 AM to 6 PM; Friday 8:30 AM to 6 PM; Saturday 8:30 AM to 5 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Harder Automotive Inc accepts walk-ins, so you can drive in without booking ahead.

Harder Automotive Inc accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at Harder Automotive Inc: wheelchair accessible entrance, wheelchair accessible parking.

Harder Automotive Inc has held a BAR smog license since 2009. You can verify the license status at bar.ca.gov.

Harder Automotive Inc 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) 784-1018 for a quote.

Harder Automotive Inc does not take online bookings here, but walk-ins are welcome. Call (510) 784-1018 to check the wait.

Staff at Harder Automotive Inc 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 Harder Automotive Inc 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 Quick Tune & Brake Inc (0.7 mi) and Fast Track Auto Center (0.8 mi). Both are listed further up this page with their ratings and hours.