Smog Test News

Effective January 1st, 2013 - The Department of Motor Vehicles will refer most drivers to STAR-certified stations when they renew their vehicle registration. Star stations are Smog Check stations that meet higher performance standards established by the Bureau of Automotive Repair.

Effective January 1st, 2010 - Diesel Vehicles 1998 & Newer have been included in the Smog Check Program. Select the link for more details: Diesel Smog Inspecti

Welcome To A1 Smog Vallejo

We Are STAR Certified Smog Check Station, Located On between Tennesee Street and Nebraska Street on Sonoma Blvd., in Vallejo, CA.

Welcome to A1 Smog Star Certified Center. We offer our customers honesty, efficiency and accuracy in all aspects of our business. Our experienced and courteous smog technicians are always on duty during normal business hours Monday - Friday: 9:00AM - 5:00PM, Saturday: 10:00AM - 3:00PM and Sunday: Closed.

To help you through this ordeal and explain in detail any questions you may have. Yes we do all smog checks required by the DMV! Save your time and money. First come first serve. APPOINTMENT PREFERRED! Smog check takes approximately 15 – 20 minutes.