Motor Vehicle Assessment Information

Motor vehicles are assessed at 70% of their average retail value on each October 1st assessment date. Vehicles which are registered on October 1st will appear on the Grand List and bills for the October 1st list are due and payable the following July. For those vehicles registered after October 1st and prior to August 1st will appear on the supplemental Grand List. Those vehicle bill are due the following January.


Vehicles that have been sold, stolen, totally damaged or registered out-of-state and not replaced may be due an assessment adjustment. Taxpayers are responsible for providing documentation to the Assessor’s office for an adjustment to be made.

There are deadlines for filing for an assessment adjustment, in accordance with Connecticut Statutes, they are as follows:

  • 10/1/03 Grand List – proof required by December 31, 2005
  • 10/1/04 Grand List – proof required by December 31, 2006
  • 10/1/05 Grand List – proof required by December 31, 2007

After the “required by date” no adjustments can be made and the bills are due and payable in full.