About US

STAR Certified Test Only Facility -Smog N Go- San Mateo, CA

Smog Test, San Mateo, CA

101 Express Smog has been in business for the past six years and is currently under new ownership since October 2014. We take pride in being the least expensive smog test company in San Mateo. Stop by today for your test only smog check, no appointments are necessary.

Smog Check Test – Only Station

Web Coupon at $29.75 + State Cert. ($8.25)

Regular $69.75 + $8.25 Cert.

Pass or one retest FREE!
Certified to DMV for FREE!


Does your vehicle need one? No worry, we are a STAR Certified Smog Test Center.


If your car fails its smog test we will provide one free retest within 30 days of the original test. Just come back in with your original receipt and we’ll retest it for FREE!


You can depend on our quick service when you visit us. We do all smogs for the DMV. Our Smog Check Technicians are here to serve all your car’s smog needs. No one loves sitting in a waiting room, but our clean waiting room will make your short trip fly by!

Smog Check in San Mateo, Smog Check California, Smog Check Coupons, Smog Test, Emission Testing, Smog Check Locations, Smog Test Only!

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