Assessor & GIS Information

The Assessor's Office is responsible for the administration of the State's tax exemption programs for the elderly, blind, disabled; as well as the preparation of the Town's annual Grand List, a complete listing of all properties in town, ownership, and assessed value as of October 1st each year.

This information is then used by the Board of Finance to help determine the mill rate and in preparing tax bills. The three categories which make up the Grand List are real estate, personal property, and motor vehicles.

The mill rate for the 2024 grand list is:
33.5 for real estate and personal property
32.46 for motor vehicles

2025 Grand List - Business/Personal Property

**The mill rate for the 2025 grand list will be set sometime in late May/Early June**

2023 Revaluation Project

Real Estate Information/2023 Property Values

View GIS maps 

Information, applications and forms

2026 ALL Homeowner Tax Relief INFORMATION   2026 CANTON Homeowner Tax Relief Application

2026 STATE Homeowner Tax Relief Application   2026 VETERAN Income Limited Application

Business Personal Property - FILE ONLINE - Effective 10/1/2025

Business Personal Property - ONLINE FILING INSTRUCTIONS

Exemptions

Board of Assessment Appeals

Business Personal Property

Connecticut Farm, Forest or open space land, use value assessment law PA490

Income & Expense Form

Quadrennial Report

How to Remove/Adjust a Motor Vehicle Tax Bill

GIS Data Distribution Request Form

GIS Data Distribution Fee Schedule