Welcome to the Town of Groton, Connecticut


The Assessment Division’s job is to ensure that the Town’s tax base is distributed fairly and accurately. This is done through the discovery, data collection, and valuation of all property on the Grand List. The division also administers the various exemption and abatement programs related to property taxation.

Links, Information, and Downloads:

2023 Income & Expense

2023 Personal Property Listing

2023 Personal Property Declarations

2021 Town-wide Revaluation of Real Property

Antique Affidavit for Motor Vehicles over 20 Years

Board of Assessment Appeals

Charitable/Other Organizations Quadrennial Tax Exemption Applications

Military Members & Veteran Exemptions

Motor Vehicle Assessment Information Pamphlet & Handicap Vehicle Exemption Information

Motor Vehicle Information

Motor Vehicle – CT DMV Links

Pa490 Farm, Forest, Open Space (Tax Exempt) & Maritime Heritage Programs

Personal Property Frequently Asked Questions

Property Tax & Rent Relief for the Elderly & Totally Disabled & Veterans Exemptions Information

Removal Statement for Mobile/Manufactured Home

Tax Exemption Application for Certain Energy Systems