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  4Less Smog Check performs all STAR & Regular Smog Check Inspections required by the DMV. Serving the San Mateo, Foster City, Belmont and San Carlos areas since 2012. Our Team provides professional and high quality service. To join our satisfied customers, please visit us today.  

We run all types of smog tests

  • Smog Test Only Certificate
  • Smog Check Certificate
  • Diesel Smog Check Certificate New!!
  • Out of State Registration
  • Change of Ownership
  • Gross Polluters

We smog all types of vehicles

  • All types of sedan cars
  • Diesel Cars
  • SUVs and Minivans
  • Pick-ups and small Trucks
  • Full size Vans
  • RV’s
  • Heavy duty Trucks