1217 South Railroad Ave. San Mateo, CA 94402 650-493-5200

About Diamond Motors

  • We are a New Vehicle Personal Auto Buying Service and only sell select few pre-owned vehicles that we feel are worthy to resell
  • Most of the vehicles we have for offer are 1 owner and originally purchased from us and traded in for a new vehicle
  • All vehicles are safety inspected with a Clean California Title and can be purchased with a warranty
    • We operate BY APPOINTMENT ONLY so please call us at 650-493-5200 to schedule your test drive today. We have another storage lot where the vehicles are stored.