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Cruz In Smog Check Registration Services & Vin Verification

Smog Check Station in Byron
Open today until 6:45 PM
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now offering Saturday appointments for 2000 and newer vehicles, for vin verifications and title transfers. please call for for scheduling and more details.

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$10 off your smog check

Jan 16, 2023 – Jun 1, 2023

$10 discount off of our smog check service. Must present this coupon before the smog check. Please have this screen shotted or pre loaded up before coming down as most people don't get good cellular data by our shop. this deal is valid until June 1st. We have changed our name from late shift smog...

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We will be changing the name of the business to Cruz In Smog Check and the hours will be changed effective jan. 1st. Thank you for your understanding and continued business


4 weeks ago
Cool guy that works there. Got us in and out in less than 10 minutes. Couldn't ask for a smoother transaction.
- Brian T
9 months ago
From pulling into the parking lot, it took a total of 13 mins to get my car tested, cert printed, and vehicle registered with tag and registration in hand. Very friendly, professional, quick and affordable!
- Jennie K
10 months ago
this.guy is great hes really professional sorry.bout the late review im.referring to.get a smog done!!! very fast.and efficent ! better.than waiting at dmv no.doubt. 10*star service ***HIGHLY RECOMMEND****!!!!
- bobbijoanna w

About us

I'm a local first time business owner, graduate of heritage high school and Los Medanos college. I stay open late so you don't need to take time off work or deal with long lines. I'm also open Saturday for your convenience. I serve antioch, brentwood, oakley, byron, discovery bay, and mountain house. I smog all years of gasoline, 1998 and newer diesel vehicles and Rv's.

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  • (925) 308-6335


Get directions
3000 Taylor Lane Unit A
Byron, CA 94514

Business Hours

Mon:10:30 AM – 6:45 PM
Tue:10:30 AM – 6:45 PM
Wed:10:30 AM – 6:45 PM
Thu:10:30 AM – 6:45 PM
Fri:10:30 AM – 6:45 PM
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