Alton Central School

The Town of Alton is working with Whitney Consulting Group, an assessment and revaluation company, to perform a revaluation of Alton pursuant to RSA 75a-8. A revaluation is performed to bring assessments in line with current (April 1, 2026) market values. For more information on the revaluation process and what you can expect please read here:

Revaluation FAQ

For a list of individual assessments please use the list that corresponds to the address, the owner’s name or the map and lot number:

Sorted by Address

Sorted by Owner

Sorted by Map & Lot

Values are also posted on the:

AVITAR Assessing Kiosk

To see the Town GIS Maps please click here:

GIS Maps