We are quick - no appointments necessary and we can process your paperwork, inspect your vehicle, perform the tests, explain the results and have you on your way in 15 minutes. Napa Smog Test Only transmits your results instantly to the DMV for you. If your schedule is tight, we are happy to make an appointment for you - just call or email for a smog test appointment.

Why choose us? 

Napa Smog Test Only can test most vehicles in about 15 minutes because of our superior staff and technician training.  Located in a quiet neighborhood setting just north of historic downtown Napa, we are Napa's premier Smog Check Test Only center!

We are proud to provide Napa and neighboring city vehicle owners with exceptionally quick service, special care and personal attention.  

Our goal is to provide quick and hassle-free Smog Checks and Professional Emissions Testing for every vehicle.  We stand by our work and customer service is our highest priority.

Relax in our waiting room or take a quick stroll two blocks to downtown Napa.

Come down and see for yourself why we are the best. Our quality and services are unmatched. We accept all forms of payment: cash, checks, credit cards and debit cards.

Please let us be of service to you.