Tri-City Smog is a test only station that provides automotive smog test services to the Vista, CA area. We are a family owned and operated business that has been serving the North County since 1999, and we can do any test on any vehicle, regular or heavy polluters, cars, trucks, and motor homes. Drop by today and you will find out why most of our clients are returning customers.

Tri-City Smog Credit

Learn More About Tri-City Smog:

  • We perform all smog checks required by the DMV
  • Clean and beautiful facilities
  • State of the art testing equipment
  • ASE trained technicians
  • Quick service
  • Knowledgeable staff
  • Open 6 days a week
  • Conveniently located

You may make an appointment or walk right on in.

Tri-City Smog is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call Tri-City Smog (760) 639-4330 if you have any issues in accessing any area of our website.