When are property taxes due in Coos County, New Hampshire?

Coos County property taxes are due July 1. A second installment is due December 1. This deadline applies to all counties in New Hampshire.

What is the penalty for late property tax payment in Coos County, New Hampshire?

The late payment penalty in Coos County is Interest accrues after due date.

How do I pay Coos County, New Hampshire property taxes?

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

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Coos County Property Tax Due Date

New Hampshire

2026 Property Tax Due Dates

Installment 1

July 1

First installment (estimate)

Installment 2

December 1

Second installment (final)

Penalty: Interest accrues after due dateGrace period: None

Payment Methods

Online, Mail, In-Person

Coos County Treasurer

How to Pay

Online

Pay using credit card or e-check

By Mail

Mail check payable to Coos County Treasurer

In Person

Visit the Treasurer's office

Other Counties in New Hampshire

Belknap Carroll Cheshire Grafton Hillsborough Merrimack Rockingham Strafford

View all New Hampshire counties →

About Coos County

Coös County or Coos County (, with two syllables) is the northernmost county in the U.S. state of New Hampshire. As of the 2020 census, the population was 31,268, making it the least-populated county in the state. The county seat is Lancaster.

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

Related Resources

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