Motor Vehicle Excise

Abatement Application

All motor vehicle excise abatements require 2 documents in order to be processed. Please make sure you have both documents available, depending on your reason for abatement: 

• Vehicle Sold: Bill of Sale & Plate Cancellation receipt or registration (showing plate transferred to new car)
• Vehicle Traded In: Trade In agreement & Plate Cancellation receipt or registration (showing plate transferred to new car)
• Vehicle Gifted:  Gift Receipt & Plate Cancellation receipt or registration (showing plate transferred to new car)
• Vehicle Total Loss: Insurance Settlement Letter & Plate Cancellation receipt or registration (showing plate transferred to new car)
• Vehicle Junked: Junkyard or Donation Receipt & Plate Cancellation receipt or registration (showing plate transferred to new car)
• Vehicle Returned: Letter from dealer certifying return & Plate Cancellation receipt or registration (showing plate transferred to new car)
• Moved out of State: New states registration & MA Plate Cancellation Receipt
• Moved out of Watertown: proof of residency & proof the RMV was notified of address change before January 1

 Motor Vehicle Excise Online Application 

Applications may also be:

• Mailed (Assessors Office, 149 Main Street, Watertown, MA, 02472)
• Delivered to the Assessors’ office in person
• Faxed (617) 972-6497

 RMV Registration/Plate Cancellation

Registration/Plate Cancellation may be done online:

Cancel Vehicle Registration

Motor Vehicle Excise Tax Information

For information in regards to billing, calculation and laws regarding motor vehicle excise tax in Massachusetts please visit the following page:

Motor Vehicle Excise Information