Welcome to Main Smog

16104 S. Main St.

Gardena, CA 90248

(310) 329-9503

One of the oldest smog check stations in California  

serving  our loyal customers since 1983.

Since opening in 1983, Main Smog is proud to serve all our customers in Southern California. Customer service is what we are known for and kept us going for almost 30 years. Everyone who calls or comes into our shop deserves to be treated with the highest level of respect, honesty and integrity. That is our promise to you.




Star certified and regular smog check

Star certified smog check for all your vehicles including personal, commercial, recreational, hybrid and alternative fuels. We can also smog any vehicles that don't require a Star certified smog check.

Commercial and fleet vehicles

We can smog all size vehicles for your business including heavy duty, box truck,  bus, flatbed, diesel, dump truck, etc.


Opening Hours

Come Visit

Mon - Fri: 8:30 am - 6 pm

Sat: 10 am - 3:30 pm

Sun: Closed


About Us

Convenient location in Gardena, CA on the corner of Main and Alondra. Walk-in customers and appointments are accepted. We accept all major credit and debit cards. There is plenty of parking available as well as spacious indoor and outdoor waiting areas for you to sit and relax while you wait.  Please call or email us below with any questions or concerns.

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Open Sign
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Carefree Drive
Carefree Drive