Town of Madison Assessing

As an alternative, assessment, and tax map information can be obtained:

Phone: 603-367-4332 x300
Hours: 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 = 63.0%
2023 Equalization Ratio = 55.3%

The Town will perform its next re-evaluation in 2025.

  • Assessing services are subcontracted to Avitar Associates of Chichester, NH.
  • Assessing software is provided by Avitar Associates of New England.
  • The Terra Map Division of Avitar Associates provides tax mapping services.

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 Click Here


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 or deferral.  The property for which you are claiming must be your primary residence. 

Solar Exemption: The Town offers an exemption equal to 100% of the assessed value of qualifying equipment per NH RSA 72 for person owning real property, which is equipped with solar energy systems, wind-powered energy systems or wood-heating energy systems intended for use at the immediate site.

Farm Structures & Land under Farm Structures: The Town offers an exemption under RSA 79-F for qualifying applicants to encourage the preservation of the State’s productive farms and farm structures.

For details, additional qualifying factors and application information, contact the Selectmen’s Office at 603-367-4332 x300.  Applications must be filed on or before April 15th of the tax year the relief is to be granted.