Chabot Smog

Chabot Smog is a STAR certified test-only smog check station in Castro Valley, CA.

4.8(126 reviews)

20747 Lake Chabot Unit B, Castro Valley, CA 94546

Price

Call for price

Hours

Open Mon–Fri

Station type

Test Only

Appointments

Walk-ins welcome

STAR Certified - Authorized for directed vehicles and gross polluters

Hours

Monday
8:15 AM – 5 PM
Tuesday
8:15 AM – 5 PM
Wednesday
8:15 AM – 5 PM
Thursday
8:15 AM – 5 PM
Friday
8:15 AM – 5 PM
Saturday
Closed
Sunday
Closed

Good to know

Languages

English

Payment

Credit Card, Debit Card, NFC/Contactless

Parking

Free parking lot

Other stations near Chabot Smog

Nearby cities in Alameda County

Questions about Chabot Smog

Yes. Chabot 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.


Yes. Chabot Smog 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.


Chabot Smog is open Monday 8:15 AM to 5 PM; Tuesday 8:15 AM to 5 PM; Wednesday 8:15 AM to 5 PM; Thursday 8:15 AM to 5 PM; Friday 8:15 AM to 5 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.


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


Chabot Smog accepts Credit Card, Debit Card, NFC/Contactless.


Google lists the following accessibility features at Chabot Smog: wheelchair accessible entrance, wheelchair accessible parking.


Chabot Smog has held a BAR smog license since 2009. You can verify the license status at bar.ca.gov.


Chabot 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 (510) 885-1941 for a quote.


Chabot Smog does not take online bookings here, but walk-ins are welcome. Call (510) 885-1941 to check the wait.


Staff at Chabot 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.


Chabot Smog 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 Castro Valley are Smog World & Lube (0.1 mi) and Larrys Automotive Service (0.2 mi). Both are listed further up this page with their ratings and hours.


How we get this data: BAR licenses and STAR status, Google hours and ratings, coupons published by the station.

Verify this station’s license and STAR standing at bar.ca.gov.

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BAR field office: S San Francisco • Licensed since 2009

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