Welcome to the Town of Derry, NH Assessors database.

The online database was last updated June 1, 2022.  The Town is currently undergoing a revaluation throughout the summer for the 2022 tax year.  Online information will not be updated until the revaluation is complete.  Please note that assessed values shown may not be the final assessed value. Values as of April 1st reflect the fair market value for that tax year.

Every year the Town of Derry Assessing Department monitors qualified sales and the real estate market in general in Derry.  The Assessor’s Office does this to make sure that current assessments are close to 100% of full, fair market value as required by the State of New Hampshire Department of Revenue administration. 

Last Revaluation: 2020

2021 Equalization Ratio: 79.1%

2020 Equalization Ratio: 94.4%

2019 Equalization Ratio: 89.1%

2018 Equalization Ratio: 95.4%

If you have any questions please feel free to call the Assessing Department, 14 Manning Street, Municipal Center, Derry, NH 03038 at 603-432-6104.