(978) 448-1100

Town Hall Offices

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173 Main St.
Groton, MA 01450

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Treasurer and Tax Collector

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Mission Statement

The Town of Groton’s Treasurer/Collector office is responsible for collecting all taxes and committed bills issued by the various town departments. All payments are recorded, posted, updated and deposited daily. The Collector’s staff is committed to providing our customers with up to date information on their accounts in an effective and efficient manner – using guidelines established by the Department of Revenue and Town Charter.

The Town Treasurer’s office is responsible for the receipt, posting, classifying, depositing and investment of all money belonging to the town. This also includes the issuance of all town payroll and vendor checks on a weekly basis. Other responsibilities include administration of Tax Title & Foreclosure accounts, Debt Service, Trust Funds, Investments and bank account reconciliation’s.

Some of the main activities and programs of our office are:

Bill Collections

  • Real Estate Bills
  • Personal Property Bills
  • Motor Vehicle Excise Tax Bills
  • Deputy Collector Mark and Clear
  • Municipal Lien Certificates

Tax Titles

  • Tax Liens
  • Tax Lien Agreements
  • Tax Lien Foreclosures
  • Foreclosed Land Sales


  • Borrowing
  • Investments
  • Reconciliation
  • Vendor and Payroll
  • Check Distribution

Contact Information

Email: treasurer@grotonma.gov
Phone: 978-448-1103


Hannah Moller
Hannah Moller
Treasurer/Tax Collector
Michael Hartnett
Michael Hartnett
Assistant Treasurer/Tax Collector

Town of Groton Tax Rate

The current 2023 tax rate for the Town of Groton is $15.64 Past tax rates are below.
Year Tax Rate
2023 $15.64
2021 $17.60
2020 $17.38
2019 $18.11
2018 $18.67
2017 $18.26
2016 $18.78
2015 $18.27
2014 $17.38
2013 $16.85
2012 $16.08
2011 $16.38
2010 $15.78
2009 $14.32
2008 $13.87
2007 $13.77
2006 $14.77
2005 $13.84
2004 $15.44
2003 $14.28
2002 $14.10

Treasurer & Tax Collector Documents