2018 Revaluation Information
Sample Data Mailer
Assessor & GIS Information
The Assessor's Office is responsible for 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.
This office is also responsible for the administration of the State's tax exemption programs for the elderly, blind, disabled.
Click HERE to view GIS Maps
GIS Data Distribution Request Form
GIS Data Distribution Fee Schedule
Click HERE to view Real Estate Information
The mill rate for the 2017 grand list is: 30.70
Select a category from the drop-down list below to access information, applications and forms.
Listing files in 'Assessor & GIS Documents'
Steve Kosofsky, Assessor
Kerri Kazlauskas, Assessment Technician
4 Market Street
P.O. Box 168,
Collinsville, CT 06022
Monday, Tuesday and Thursday 8:15am - 4:30pm
Wednesday 8:15am - 6:45pm
Friday 8:15am - 12:00noon