Baja Auto

Baja Auto is a STAR certified test-and-repair smog check station in Ontario, CA.

4.5(70 reviews)

817 E Holt Blvd Unit A, Ontario, CA 91764

Price

Call for price

Hours

Open Mon–Sat

Station type

Test & Repair

Appointments

Walk-ins welcome

STAR Certified - Authorized for directed vehicles and gross polluters

Hours

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

Good to know

Languages

English

Payment

Cash, Credit Card

Other stations near Baja Auto

Nearby cities in San Bernardino County

Questions about Baja Auto

Yes. Baja Auto 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. Baja Auto 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.


Baja Auto 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. Baja Auto accepts walk-ins, so you can drive in without booking ahead.


Baja Auto accepts Cash, Credit Card.


Baja Auto has held a BAR smog license since 2001. You can verify the license status at bar.ca.gov.


Baja Auto 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 (909) 986-7172 for a quote.


Baja Auto does not take online bookings here, but walk-ins are welcome. Call (909) 986-7172 to check the wait.


Staff at Baja Auto 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 Baja Auto 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 Ontario are Ontario Smog Check Jc (0.1 mi) and Basic Auto Repair (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: Riverside • Licensed since 2001

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