Home | Assessing Department

Assessing Department


3 N. Lowell Road, Town Hall

(603) 434-7530
Hours of Operation: 

M-F, 8 AM - 4 PM

The Assessing Department is responsible for documenting and listing all taxable real property in Windham, maintaining accurate ownership data, and assisting with taxpayers to participate in the various programs offered per State law, such as veteran’s credits, elderly exemptions, etc. 

The Assessing staff encourages taxpayers to contact us with questions or concerns and, in particular, to review the current assessment record card for correctness. Currently, property cards are available via a public computer in the Town Hall and online here.  The CAI cards are updated on a monthly bases while our Vision cards are updated during our tax periods. 

Property Sales Data


View the latest real estate transfers, including sales price, in the following report, which is updated every four to six weeks.

Town of Windham Revaluation Sales Reports:

Ownership Info

Town of Windham Parcel Ownership Data includes the current Owner (Grantee and Co-grantee), mailing address, date of record transfer and deed reference. Please refer to the Assessor’s Sales Data web page for “Land Use Codes” and “New Hampshire Class Codes Reference” for current parcel use classification.

This listing is current as of the print date of this file. Please note deed transfer notifications to the Town typically lag 30 days from the actual recording date. Copies of deeds or more current information may be found on-line at: http://nhdeeds.com/rockingham/RoIndex.html.

Assessor - Forms


Where would you like to receive mail?

Change of address form 


Property Tax Abatement applications - Only accepted after the issuance of the final bill (December Tax Bill). Must be submitted by March 1st, following the annual tax bill. See NH RSA 76:16.

*When filing an abatement, please attach a copy of:  December tax bill, deed, property tax record card, supporting documentation, and ensure ALL owners of record have signed application.

Property Tax Abatement application


Restoration of Involuntarily Merged Lots or to request a Lot Consolidation/Voluntary Merger:

2015 Property Tax Assessments

2015 PROPERTY TAX ASSESSMENTS  2015 Tax Rate is $21.72 per $1000 of value: A complete listing of assessed values sorted by location for the 2015 Tax Year

A complete description of property, site specific data, and the valuation breakdown is available printed on a “Property Record Card”. You may obtain a copy of this card at the Assessor’s office or our GIS web site. To get a card off the web, go to ONLINE GIS, review and accept our disclaimer, and enter ONLINE GIS, hosted by CAI Query Manager and search by Owner, Address, or Parcel ID.

From the Assessor's Office - Additional Links & Resources

ADDITIONAL LINKS:  We also offer the following as a means to aid you in better understanding the workings of the property tax process and departmental procedures: Note: Each link will open in a new browser window.

Contracting Assessors - MRI

Windham's Assessing Department has contracted with MRI. Each MRI employee will be wearing an identification badge and driving a MRI and/or Town of Windham marked vehicle, and you may view their photographs below. Windham Police also have vehicle makes, model and registration numbers, as well as the names and photos of each contractor. Do not hesitate to call Police 434-5577 or Assessing 434-7530 x3006 with concerns.