Assessment data is available through a button on the home page of this website or by following this link:

As an alternative, assessment and tax map information can be obtained by e-mailing or calling Linda at (367-4332 x300) Monday through Thursday from 8 am to 4 pm.  There is a cost associated with Town Hall printing, faxing, and/or e-mailing assessment cards and tax maps.

2020 Equalization Ratio = 99.7%
2021 Equalization Ratio = 75.6%
2022 Equalization Ratio = 63%

Assessing services are sub-contracted to Avitar Associates of Chichester, NH.  Assessing software is provided by Avitar Associates of New England.  Tax mapping services are provided by the Terra Map Division of Avitar Associates.

CLICK HERE to download the 2023 Abatement Application to Municipality if you feel your land and/or building value is incorrect or disproportionate.  Filing deadline is March 1st annually.

CLICK HERE to download form and documentation required to Change Name and/or Address on property.

If you are elderly, blind, a veteran or veteran’s spouse, or unable to pay your taxes due to poverty or other good cause, you may be eligible for a tax exemption, credit, abatement, or deferral.  The property for which you are claiming must be your primary residence.  For details, additional qualifying factors, and application information and filing deadlines, contact the SELECTMEN’S OFFICE at 603-367-4332 x300.

If you own a home in Madison that you rent out, short-term or long-term, you may be required under State Law to file a Landlord’s Agent Designated Respondent Affidavit form with the Town Clerk’s Office.  For more information visit the DEPARTMENT tab, Town Clerk, Landlord’s Agent Respondent Information.