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NE Provenance

The authoritative property intelligence platform for New England.

Product

  • Property Search
  • Account
  • Intelligence
  • Pricing
  • Partnerships
  • Local Insights

Company

  • About
  • Contact
  • Privacy Policy
  • Terms of Service
  • Acceptable Use
Solutions
  • Insurance Carriers
  • Underwriting & Modeling
  • Claims & Loss Control
  • Appraisers
  • Home Inspectors
  • Lending
  • Title & Legal
  • Agents & Developers
  • Property Lists
  • Portfolio Intelligence
  • Research & Academic
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© 2026 New England Provenance LLC. All rights reserved.

Property intelligence derived from 140+ data sources. Data, methodologies, and analytics are proprietary.

428 Lafayette Rd., Suite 101, Hampton, NH 03842

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Local Insights/New Hampshire

Alton, NH

Belknap County43.4907°N, 71.2462°W

Tracking 2 properties across Alton, New Hampshire — a community where the median home dates to 1996. Every parcel mapped with building characteristics, environmental exposure, hazard risk, and ownership history assembled from 140+ sources.

2
Properties Tracked
1996
Median Year Built
$331K
Median Assessed Value
0%
FEMA Flood Zone
534
NEP Data Facts Tracked
Zone 1
Radon Zone
Click any parcel to view intelligence

Risk Profile

FEMA flood zones, fire protection grades, radon — parcel by parcel

FEMA Flood Zones

No properties in Alton fall within FEMA Special Flood Hazard Areas.

X
2

Fire Protection Grades

Fire protection grades reflect proximity to fire stations and hydrant infrastructure. Grade affects insurance pricing in every New England state.

Grade D
2
Zone 1
Radon Risk
112 mph
Design Wind Speed
ASCE 7 standard
80 psf
Ground Snow Load
ASCE 7 standard
Very Low
FEMA Risk Index
NRI composite rating

The Property Landscape

2 properties · Median year built 1996 · Avg 2,576 sf

Property Types

Single Family
2

Construction by Era

1980-1999
1
2000+
1

Living in Alton

Belknap County · New Hampshire

Zip Codes03809
2
Properties
$331K
Median Assessed
63.7
Square Miles

Alton covers 63.7 square miles in Belknap County, New Hampshire. The median assessed property value is $331K.

Single-family homes account for 2 of Alton's 2 properties.

Assessed values range widely — the middle 50% of properties fall between $311K and $351K. For professionals working in this market, the value spread tells you a lot about what you'll encounter door to door.

Most properties rely on private septic systems. Electric service is provided by PUBLIC SERVICE CO OF NH.

What Alton Property Intelligence Means for Professionals

Insurance & Underwriting

Alton's fire protection grade distribution (2 Grade D) directly affects premium calculation. Parcel-level hazard data provides the granularity that ZIP-level aggregation misses.

Insurance solutions

Real Estate & Appraisal

Alton's 1 property types require local market knowledge for accurate comparable selection and valuation. NEP assembles building characteristics, environmental exposure, and condition signals into a single property profile.

Real estate solutions

Lending & Title

Collateral assessment requires flood zone verification, environmental screening, and ownership chain validation. NEP provides property-level compliance data from public records.

Lending solutions

Inspection & Property Services

Understanding a property's construction era, environmental exposure, and building characteristics before arriving on site transforms inspection from discovery to verification.

Inspection solutions

Explore Alton property intelligence.

2 Alton properties — each with risk profiles, building data, permit history, and ownership analysis from 140+ sources. Open any property and see the full picture.

Search Alton PropertiesFree Professional Trial
Federalist home in Newburyport, MA
Newburyport, MA · Federalist · 3,524 sq ft · 4 bed / 3 bath · Built 1800 · Historic District
NEP Property Intelligence Summary
ConditionC1Fire ClassBFlood ZoneXOwnerIndividualOccupancyOwner-Occupied
Purchased2018 (8yr)Permits11 totalSystems3 updatedLiensClearAssessed$1.6MOcean0.3 mi
EraPre-1940HistoricDesignatedRenovationRecentRadonZone 1

Belknap County, NH — All Municipalities

BarnsteadBelmontCenter HarborGilfordGilmantonLaconiaMeredithNew HamptonSanborntonTilton
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Cite this data

Source: NE Provenance, “Professional Property Intelligence for New England,” neprovenance.com/insights/town/alton-nh. For references or attribution, please link back to this page or neprovenance.com. Thank you, we appreciate it.