When are property taxes due in New Haven County, Connecticut?

New Haven 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 New Haven County, Connecticut?

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

How do I pay New Haven County, Connecticut property taxes?

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

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New Haven 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

New Haven County Treasurer

How to Pay

Online

Pay using credit card or e-check

By Mail

Mail check payable to New Haven County Treasurer

In Person

Visit the Treasurer's office

Other Counties in Connecticut

Fairfield Hartford Litchfield Middlesex New London Tolland Windham

View all Connecticut counties →

About New Haven County

New Haven County is a county in the south central part of the U.S. state of Connecticut. As of the 2020 census, the population was 864,835, making it the third-most populous county in Connecticut. Two of the state's five largest cities, New Haven (3rd) and Waterbury (5th), are part of New Haven County.

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

Related Resources

CountyRollCounty Office Directory

Find the assessor, treasurer & recorder for New Haven

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Property Tax FAQ Tax Calendar

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We'll email you 336 hours before your property taxes are due.

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