Welcome to the Town of Derry, NH Assessors database.  The online database is updated on a monthly basis on the 4th Friday of the month.  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 Update: 2016

Last Full Revaluation:  2014

2016 Equalization Ratio: 97.5%

2015 Equalization Ratio: 92.6%

2014 Equalization Ratio: 97.8% 

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.