Description of Services

The Assessor is appointed by the Town Manager and supervised by the Assistant Town Manager for Finance.

Our office is located on the First Floor of the Town Office Building,1625 Massachusetts Avenue See Town Office Building Accessibility Information

The Assessing Office's primary function is the assessment of full and fair market values (in accordance with Massachusetts General Laws and regulations) of all real and personal property in Lexington to equitably allocate Lexington's annual tax levy among Lexington taxpayers, and the evaluation of any applications for abatement of such property.

FY 2022 Lexington Residential Assessed Values (PDF)


The Assessor is responsible to improve the computer-assisted-mass-appraisal databases of real and personal property, to annually re-value all such property based on market changes, and to submit all data for a re-certification review done by the Massachusetts DOR every five years.

Other significant duties include:

  • a) administration of motor vehicle excise tax abatement, and 
  • b) determination of taxpayer eligibility for deferral of (or exemption from) property taxes, and the Community Preservation Act surcharge.

On a three-year revolving basis, the Town Manager appoints a three-member Board of Assessors to review requests for abatements, approve tax exemptions, and provide policy guidance regarding the operations of the Assessor's Office.

Please view our Frequently Asked Questions for additional information.