Cal Auto Service

Cal Auto Service is a test-and-repair smog check station in Santa Ana, CA.

5.0(111 reviews)

4320 Westminster Ave, Santa Ana, CA 92703

Price

Call for price

Hours

Open Mon–Sat

Station type

Test & Repair

Appointments

Walk-ins welcome

Hours

Monday
8 AM – 6 PM
Tuesday
8 AM – 6 PM
Wednesday
8 AM – 6 PM
Thursday
8 AM – 6 PM
Friday
8 AM – 6 PM
Saturday
8 AM – 1 PM
Sunday
Closed

Good to know

Languages

English

Payment

Cash, Credit Card

Other stations near Cal Auto Service

Nearby cities in Orange County

Questions about Cal Auto Service

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


No. Cal Auto Service 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.


Cal Auto Service is open Monday 8 AM to 6 PM; Tuesday 8 AM to 6 PM; Wednesday 8 AM to 6 PM; Thursday 8 AM to 6 PM; Friday 8 AM to 6 PM; Saturday 8 AM to 1 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.


Yes. Cal Auto Service accepts walk-ins, so you can drive in without booking ahead.


Cal Auto Service accepts Cash, Credit Card.


Cal Auto Service has held a BAR smog license since 2018. You can verify the license status at bar.ca.gov.


Cal Auto Service 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 (714) 636-3888 for a quote.


Cal Auto Service does not take online bookings here, but walk-ins are welcome. Call (714) 636-3888 to check the wait.


Staff at Cal Auto Service 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 Cal Auto Service 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 Santa Ana are Steves Auto Repair & Smog Check (0.6 mi) and Orange High Test Only #2 (0.6 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: Santa Ana • Licensed since 2018

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