Your locally owned shop serving the Peninsula 

Union Smog Test Only is licensed by California's Bureau of Automotive Repair (BAR) to perform smog tests and brake and lamps inspections on ALL vehicles.


All of our technicians are automotive industry veterans with over 30 years of combined experience. We assure you, you'll be in great hands.

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Smog Tests Performed

  • Cars, Trucks, Vans & SUVs

  • Biennial Smog Check​

  • Change of Ownership

  • Out of State Registration

  • Gross Polluter 

  • RV Smog Check

  • Diesel

  • Hybrid

  • Heavy Duty Vehicles

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About Us


Union Smog Test Only is an independently owned and operated smog shop where we strive to achieve excellent customer service. Let us earn your business today.

Copyright © 2019-Union Smog RWC