Office Contact Info
Phone: 603-636-1450
Fax: 603-636-6098
Monday, Tuesday, Wednesday & Friday: 8:00-3:30
Thursday: 8:00-NOON
VACANT
Assessing Clerk
Property Cards, Property Exemptions & Credits, Building Permits, Timber/Yield Taxes
Zoning Permits
Links below open in a new window
List of Assessment Values
Links below open in a new window
Forms
Links below open in a new window
Forms
Equalization Ratio for Tax Year 2023
As of April 1, 2023, the median ratio for the land, buildings and manufactured housing in the Town of Northumberland for Tax Year 2023 is 94.0%. The median ratio is the generally preferred measure of central tendency for assessment equity, monitoring appraisal performance, and determining reappraisal priorities, or evaluating the need for reappraisal. The median ratio, therefore, should be the ratio used to modify the market value of properties under review for abatement to adjust them in accordance with the overall ratio of all properties in the Town of Northumberland.
The overall equalization-sales ratio for the land, buildings and manufactured housing in the Town of Northumberland for Tax Year 2023 is 88.6%. This ratio will be used to equalize the modified local assessed valuation for all land, buildings and manufactured housing in the Town of Northumberland. This ratio does not include any public utility property in the Town of Northumberland, nor will it be used to equalize the net local assessed value of public utilities.
Online Property Lookup
Disclaimer: The tax cards generated on this site are unofficial and updated on a rotating basis; the owner and assessed value information on the card may not be current.
Tax Maps
Uploaded as of 01/01/2025 – Links open in a new window
Current Use
Fill out the form online, print it, and send to the Northumberland Town Office.
Taking land out of current use may trigger a land use change tax.
This site is designed, secured, managed, & monitored by