Tax Collection Office
1 Junkins Avenue 
Portsmouth, NH 03801

Phone: (603) 610-7244 

Fax: (603) 431-6402

E-mail: taxdept@cityofportsmouth.com

We are pleased to offer our customers who are renewing their registrations the convenience of submitting renewal requests and payments online. Visa, MasterCard, American Express, and Discover credit and debit cards, and electronic checks are accepted for vehicle registration renewal payments.

How Does This Work?

Our service is only available to Portsmouth residents who wish to renew their registrations. It is not available for new, first-time, or plate transfer registrations.

At Tax Collectors Office

• Cash, checks, and credit cards are accepted

• Credit Cards Accepted: Visa, Mastercard, Discover & American Express.
  Credit Card Fee: 2.95% Service Fees ($1.95 minimum fee) apply to all debit and credit card payments.

• An ATM is available in City Hall.  $2.25 fee applies per $400.00 withdrawal.

Online

• No fee to pay by checking/savings account (ACH/e-check)

Important Dates

• The 2023 1st Issue Property Tax Installment Bills were mailed on November 20, 2023, and are due December 28, 2023.
• The 2023 2nd Issue Property Tax Installment Bills were mailed on April 19, 2024, and are due June 4, 2024.
• Interest of 8% starts accruing daily on any unpaid balance the day after the due date.
• Property Tax Liens - In accordance with State law, property tax liens are executed in late August on any properties which have unpaid current year property taxes.

Major Service Responsibilities for the Tax Collection Office

• Collection and deposit of property taxes, motor vehicle permits, utility payments, fire alarm payments, miscellaneous accounts receivable and departmental deposits. 
   
• Processing and issuance of motor vehicle permits and title applications.

The Purpose of the Tax Collection Office is to assure safe and accurate collection and timely deposit of city monies while serving customers in a professional and courteous manner. Please visit us on the second floor of City Hall for Tax Information, Vehicle Registration and Utility Payments.

The 2024 Tax Rate Calculator

Tax Rate Disclaimer: The tax rate used within the tax calculated for the 2024 revaluation is only an ESTIMATE. The final rate will be set by the State of New Hampshire this fall.

Enter your Assessed Property Value in dollars - Example: 480100. Enter as a whole number without spaces, dollar sign or comma.