Smog Check

Smog Certification Required for the DMV? We Smog Check Vehicles at St Helena Auto Repair! Quick, convenient, and hassle-free smog test service in St. Helena.

We smog ALL vehicles including Heavy Duty Trucks, RV’s, and Diesels.

  •     Independently/locally owned and operated
  •     ASE certified smog and diagnostics
  •     Professional emission testing for every vehicle
  •     Superior customer service every time
  •     Sense of personal obligation to each customer

St Helena Auto repair is a Test & Repair Smog Station in the city of Saint Helena. We are licensed by the State of California to perform DMV required smog checks. With over 80 years of combined experience, the staff at St Helena Smog can answer all your questions, perform the smog test, transmit the results automatically and have you on your way in 20-30 minutes. Our goal is to help reduce air pollution in the Napa Valley. We want our community to have a safe and clean environment. That is why we stand out from the rest. St. Helena Smog Test and Repair is focused on providing high-quality service and customer satisfaction – we will do everything we can to exceed your expectations. Thank you for visiting our page.

Fleet and Commercial accounts are welcome! Ask us about our pick-up and delivery service.