When are property taxes due in Middlesex County, Connecticut?

Middlesex County property taxes are due July 1. A second installment is due January 1. This deadline applies to all counties in Connecticut.

What is the penalty for late property tax payment in Middlesex County, Connecticut?

The late payment penalty in Middlesex County is 1.5% per month (18% annual).

How do I pay Middlesex County, Connecticut property taxes?

You can pay Middlesex County property taxes via Online, mail, in-person.

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Middlesex County Property Tax Due Date

Connecticut

2026 Property Tax Due Dates

Installment 1

July 1

First installment

Installment 2

January 1

Second installment

Penalty: 1.5% per month (18% annual)Grace period: 1 month (Aug 1 / Feb 1)

Payment Methods

Online, Mail, In-Person

Middlesex County Treasurer

How to Pay

Online

Pay using credit card or e-check

By Mail

Mail check payable to Middlesex County Treasurer

In Person

Visit the Treasurer's office

Other Counties in Connecticut

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About Middlesex County

Middlesex County is a county in the south central part of the U.S. state of Connecticut. As of the 2020 census, the population was 164,245. The county was created in May 1785 from portions of Hartford County and New London County.

Source: Wikipedia — content available under CC BY-SA 4.0

Related Resources

CountyRollCounty Office Directory

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.