Kastner Honda

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

No. Kastner Honda 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.

Kastner Honda is open Monday 9 AM to 8 PM; Tuesday 9 AM to 8 PM; Wednesday 9 AM to 8 PM; Thursday 9 AM to 8 PM; Friday 9 AM to 8 PM; Saturday 9 AM to 8 PM; Sunday 10 AM to 8 PM. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Kastner Honda accepts walk-ins, so you can drive in without booking ahead.

Kastner Honda accepts Cash, Credit Card.

Kastner Honda has held a BAR smog license since 2022. You can verify the license status at bar.ca.gov.

Kastner Honda 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 (707) 309-6249 for a quote.

Kastner Honda does not take online bookings here, but walk-ins are welcome. Call (707) 309-6249 to check the wait.

Staff at Kastner Honda 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 Kastner Honda 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 Napa are Hanlees Subaru Volkswagen and Napa Nissan Inc (0.1 mi). Both are listed further up this page with their ratings and hours.