Redwood Auto Smog Test

Yes. Redwood Auto Smog Test 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.

Yes. Redwood Auto Smog Test is licensed as a Test Only smog station. This station performs the smog test and issues the certificate. It does not do repairs, so a failed vehicle has to be fixed elsewhere and brought back.

Redwood Auto Smog Test 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 9 AM to 4 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Redwood Auto Smog Test accepts walk-ins, so you can drive in without booking ahead.

Redwood Auto Smog Test accepts Cash, Credit Card.

Redwood Auto Smog Test has held a BAR smog license since 2018. You can verify the license status at bar.ca.gov.

Redwood Auto Smog Test 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) 257-0571 for a quote.

Redwood Auto Smog Test does not take online bookings here, but walk-ins are welcome. Call (707) 257-0571 to check the wait.

Staff at Redwood Auto Smog Test 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.

Redwood Auto Smog Test is a Test Only station, so it cannot do the repair. You would have the work done at a repair shop, then come back for the free retest within 30 days. California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in Napa are Garcia's Smog Check (1.4 mi) and Mcm Jobes Repair Inc (1.5 mi). Both are listed further up this page with their ratings and hours.