STAR Certified Smog Check Stations in Napa, CA

9 STAR certified stations in Napa, California, out of 16 licensed smog check stations total. A STAR station is specially certified by the Bureau of Automotive Repair — some vehicles are required by their DMV renewal notice to test at a STAR station specifically. See our STAR certification guide for details, or view all 16 stations in Napa if STAR isn't required for your vehicle.