Vehicle Smog Check History Search

To find a vehicle's Smog Check history, enter either the Vehicle Identification Number or license plate number below.

Please note:

  • A vehicle's license plate number may change. For the most accurate results, search by the vehicle's VIN.
  • Searching for a vehicle's Smog Check history will not impact the transmission of electronic smog certificates to the Department of Motor Vehicles (DMV) for registration purposes.
  • Smog Check records are updated daily at midnight.