The City of Somersworth, New Hampshire

Property Assessment Data
(Updated December 2023)

The following information is provided as a service to the citizens of Somersworth, New Hampshire. 2023 Values.

DISCLAIMER: This information is believed to be correct, but is subject to change and not guaranteed.

The Somersworth Assessing Office is located at One Government Way, Somersworth, NH 03878. You can reach the assessing office by calling 603-692-9520. The office hours are Monday, Tuesday, Thursday & Friday 8:00am to 4:30pm and Wednesday 8:00am to 6:00pm.

Changes in ownership, new-construction, the cycle inspection process and other changes require regular maintenance and updating to the information contained within the assessing database. We update the online data once a year after the FINAL tax-bills are issued

There is a counter terminal available at City Hall during office hours and you can print property record cards at the Development Services office for $1.00 each.

Please visit our website at for further information about the assessing function, tax rate, exemptions and credits etc.