Welcome to T&T Smog Test Only in Ontario, CA
Where you can count on Fast Service At A Great Price!
That's right - we believe in providing you with fast, efficient service, and at a price you can afford! See our Discount Coupon and this week's ad for our Special Deals. If you need your state certificate at a price you can afford, stop by T&T Smog today!
We serve Ontario, Montclair, Chino, & Surrounding Areas.
We Also Smog Diesels & RVs!
We also offer:
Smog Check, Vehicle Emissions, Smog Inspection, Smog Test Only, Emission Test, Smog Check Only, Test Only Station, Smog Test Only Station

We continue to provide the Fast, Courteous, and Professional service that everyone looks for when choosing a local business. T&T Smog is the most trusted source for all of your emission test and registration renewal needs. 
T&T Smog performs emissions tests on most gasoline powered vehicles, both light duty and heavy duty. Anything from a small passenger car to a large RV. Including Diesels!

Back to Top