Welcome to the Town of Derry, NH Assessors database.

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. 

The Town is currently in the process of a Revaluation of all property for 2024. Please note that the current values listed may not be the final value.  Once values have been finalized, all homeowners will receive a letter sometime in the early Fall with their new values.

Last Revaluation: 2022

2023 Equalization Ratio: 86.3%

2022 Equalization Ratio: 93.8%

2021 Equalization Ratio: 79.1%

2020 Equalization Ratio: 94.4%

2019 Equalization Ratio: 89.1%

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.