New Hours: Monday – Thursday 7:30 AM – 6 PM Closed Friday-Sunday *Closed 12:30 – 1 For Lunch*

(707) 422-6555
Do you need a smog check for a registration renewal, change of automobile ownership or out-of-state vehicle?
Welcome to American Smog Inc. We offer honest, fast and low prices for all of our quality auto services. Our ASE-certified technicians use state-of-the-art smog equipment to complete all of your vehicle inspections. We are available four days a week for your convenience and are easily accessible for those in and around Fairfield, California.
Monday-Thursday 7:30 AM – 6 PM
Closed Friday-Sunday
If you are planning to receive a smog check on your vehicle in the afternoon hours, we highly recommend that you arrive before 5:00 pm.
-No appointments necessary
-Walk-ins Only
-Each smog check takes approximately 10-15min and our average wait time is approximately 30 min. Please plan accordingly