Property tax · New Hampshire
Property tax in New Hampshire
Property tax (County assessors) data for ZIP codes in New Hampshire. Pick a ZIP below to dive into the property tax summary.
Last verified 2026-09-24 · methodology
What lands here
Not on zipradar yet. The plan is the county millage rate, assessment method and homestead or senior exemptions. Until then, the county assessor's portal has address-specific figures.
Source & refresh
County assessors. Refreshed annual reassessment per county. Primary source →
New Hampshire top concern
Radon, lead in older housing
New Hampshire is uniformly Zone 1 radon. Older Manchester + Nashua + Portsmouth housing stock carries lead-service-line risk. Coastal flood zones limited to small NH coastline.
See New Hampshire state page for the full state-level rollup across all 12 dimensions.
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Plain-English guide to county deed records: what gets filed, how to look up a property's history, and why zipradar aggregates only counts (never owner names).