Departments & Services > Tax Assessor > Motor Vehicle Assessments

Due to the ongoing COVID-19 pandemic we ask that you email any information for motor vehicle adjustments to

There will also be a drop box outside the Assessors Office where information can be dropped.

If you need to speak with someone in person please call first. 203-256-3110.

Motor Vehicle Assessments

Motor vehicle assessments are determined at 70% of Clean Retail Value using N.A.D.A. Vehicle Pricing Guides, in accordance with Connecticut State Statute 12-71d.

Motor vehicles registered to Fairfield as of October 1 of each year are taxed the following July. Vehicles registered between October 2 and August 1 are taxed on a "supplemental list" in January.


Motor vehicle assessments billed in July may be appealed at the September meeting of the Board of Assessment Appeals. Contact the Assessor's or Town Clerk's Offices for the Board of Assessment Appeals September meeting date.  Meeting Date for 2021 will be September 2021, the exact date time and location will be updated when the board set the date.

Motor vehicle assessments billed on the "supplemental list" in January or assessed on the annual October 1 Grand List may be appealed at the March meetings of the Board of Assessment Appeals. In order to meet with the Board, an application must be completed and physically delivered to the Assessor’s Office by February 20th or the business day prior. Hand Deliver or mail to: Board of Assessment Appeals, c/o Assessor’s Office, 611 Old Post Road, Fairfield, CT 06824-6646. NO FACSIMILE OR ELECTRONICALLY SCANNED OR TRANSMITTED APPEAL FORM COPIES WILL BE ACCEPTED (No faxes, photocopies, electronic scans or emailed electronic scans). The Board will notify the vehicle owner or agent of the date, time and place of hearing by March 1.

Appeal forms may be downloaded or are available from the Assessor's Office at (203) 256-3110.


The Department of Motor Vehicles does not notify Connecticut Assessors when a motor vehicle is disposed of.

If your vehicle was sold, traded, donated, junked, totaled, stolen, or otherwise disposed of, or if you registered the vehicle out-of-state, you may be entitled to a prorated credit or refund of all or part of your tax bill.

If the registration plates were transferred to a replacement vehicle, the credit will automatically be applied to the Supplemental Tax Bill for the replacement vehicle the following January.

If the registration was NOT transferred, one of the following forms of documentation are required in order to prorate the tax bill:

  • Cancelled plate receipt from Connecticut DMV
  • Bill of sale signed by both parties
  • Junk dealer receipt
  • Donation receipt
  • Dated registration from another state
  • Statement from insurer with date of and reason for cancellation
  • Other documentation such as a CARFAX ™ or similar report, repossession statement, or title transfer.