(978) 448-1100

Town Hall Offices

Contact Us

173 Main St.
Groton, MA 01450

View Hours of Operation

Online services are available 24/7


Did you know you can subscribe to updates to this page? Create an Account or Manage your preferences at https://portal.grotonma.gov and get notified whenever a new meeting is scheduled or a new document is added!


The Assessors are responsible to the Massachusetts Department of Revenue for the administration of the real estate law. They:

  • determine the valuation of all real and personal property within the Town
  • annually set the tax rate
  • grant abatements and exemptions on property taxes to qualified applicants pursuant to Massachusetts General Laws
  • assess betterments for public improvements voted by Town Meeting
  • maintain complete maps, plans, valuation books, and other records on all property in the Town

The Assessors Office is staffed by a salaried Principal Assessor and hourly office staff; the Assessors contract with an outside firm for some revaluation services.

This page is dedicated to the Assessor’s Department, to view the Board of Assessor’s page please click HERE.

Contact Information

Email: assessors@grotonma.gov
Phone: 978-448-1127
Hours: M 8:00am – 7:00pm; T-TH 8:00am – 4:00pm; F 8:00am – 1:00pm


Megan Foster
Megan Foster
Tammi Mickel
Tammi Mickel
Assistant Assessor

Assessors Documents

    1. Income_and_Expense_Mixed_Use.pdf
    2. Income_and_Expense_Main_Document.pdf
    3. Income_and_Expense_Commercial-Industrial.pdf
    4. Income_and_Expense_Cell_Towers.pdf
  1. Senior_Work_Credit_Program_Information.pdf
  2. Quarterly_Tax_Bill_Explanation.pdf
  3. Proposition_2_And_One_Half.pdf
  4. Motor_Vehicle_Excise_Tax_Schedule.pdf
  5. Mailing_Address_Change_Form.pdf
  6. FY24_Property_Tax_Relief_Programs.pdf
  7. Forrestry_Acknowledgement.pdf
  8. Excise_Tax_Fact_Sheet_2023.pdf
  9. Chapter_Land_Information.pdf
  10. Chapter_Land_Application.pdf
  11. Appellate_Tax_Board_Advisory.pdf
  12. Agricultural_or_Horticultural_Acknowledgement.pdf
  13. Abutters_List_Request_Form_2024.pdf
  14. 2024MotorVehicleExciseApplication.pdf
  15. 2024_ExciseTaxFactSheet.pdf