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501 Main Street South
(Room 204)

Southbury, CT 06488
Maps and Directions
P:(203) 262-0674
Monday - Thursday:
8:00am - 4:30pm
Fri: 8:00am - 1:00pm

Tax Calculator

This is for informational purposes only. If you have any questions, contact the Assessor's Office.

The mill rate (tax rate) for the 2023 Grand List is 23.6. (Tax bills will be mailed out the last day of June.)

To look up your assessment click here. Make sure to use the Total of the Assessment figure (NOT Appraisal figure) in the calculator below.

Use numbers only, (no comma, period or dollar sign).


Enter Assessed Property Value: $
Property Tax:


To calculate the property tax manually, multiply the assessment of the property by the mill rate and divide by 1,000. For example, a property with an assessed value of $50,000 located in a municipality with a mill rate of 20 mills would have a property tax bill of $1,000 per year.