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Single Family ResidenceResidential
$497,340$353 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $240,000 on Dec 31, 2013

3 ALTDORF PL

MADISON, NH 03849
4
Beds
2
Baths
1,408 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
1.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$497K
$425K low$570K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$240,000 · Dec 31, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,621 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$626,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$393,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$232,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$380,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$460,655

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.43
47
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
52
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.1.40
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Radiant
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront-Not Specified

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Kennett Middle SchoolB+
Middle · Grades 7–8 · 2.9 mi
E
Madison Elementary SchoolD
Elementary · Grades KG–6 · 3.1 mi
H
Kennett High SchoolC
High · Grades 9–12 · 4.9 mi

District: Conway School District

Neighborhood · ZIP 03849These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.106

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.57%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.1,569
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.60 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,106
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,420
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.33%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

3 Altdorf Pl measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Costs more per square foot than 87% of homes in Madison 03849
  • Smaller than 71% of homes in Madison 03849
  • Newer than 65% of homes in Madison 03849

What homes are worth in Madison 03849

Each bar is how many homes fall in that price range. The marker is this home.

This home
$211K$1.1M

This home is worth more than 59% of homes in Madison 03849.

How it measures up in Madison 03849

The dot is this home. The mark in the middle is the typical home in Madison 03849.

Estimated value$497,340
CheaperTypical $463,455Pricier

Pricier than 59% of homes nearby

Price per ft²$353
CheaperTypical $258Pricier

Pricier than 87% of homes nearby

Living area1,408 ft²
SmallerTypical 1,774 ft²Bigger

Bigger than 29% of homes nearby

Lot size1.4 ac
SmallerTypical 1.2 acBigger

Bigger than 54% of homes nearby

Year built1990
OlderTypical 1985Newer

Newer than 65% of homes nearby

How 3 Altdorf Pl ranks against every home in each area.
MeasureThis homeMadison 03849Carroll County
Estimated valuepricier than$497,34059% of homes44% of homes
Price per ft²pricier than$35387% of homes67% of homes
Living areabigger than1,408 ft²29% of homes37% of homes
Lot sizebigger than1.4 ac54% of homes61% of homes
Year builtnewer than199065% of homes64% of homes

About 3 Altdorf Pl

How much is 3 Altdorf Pl, Madison, NH worth?

The TopHap Estimate for 3 Altdorf Pl, Madison, NH is $497,340 as of Aug 30, 2026. The likely range is $424,965 to $569,715. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Altdorf Pl, Madison, NH last sell?

3 Altdorf Pl, Madison, NH last sold on Dec 31, 2013 for $240,000, according to the county's recorded deed.

How big is 3 Altdorf Pl, Madison, NH?

3 Altdorf Pl, Madison, NH has 4 bedrooms, 2 bathrooms, 1,408 square feet of living space and a 1.40-acre lot.

When was 3 Altdorf Pl, Madison, NH built?

3 Altdorf Pl, Madison, NH was built in 1990, making it 36 years old. The building has 2 stories.

What schools serve 3 Altdorf Pl, Madison, NH?

3 Altdorf Pl, Madison, NH is assigned to Kennett Middle School (middle), rated B+; Madison Elementary School (elementary), rated D; Kennett High School (high), rated C. All sit in Conway School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3 Altdorf Pl, Madison, NH compare to other homes in Madison 03849?

Among the 1,591 homes in Madison 03849, it is worth more than 59% of them ($497,340 against a typical $463,455), its price per square foot is higher than 87% of them ($353 against a typical $258), it is bigger than 29% of them (1,408 ft² against a typical 1,774 ft²), its lot is bigger than 54% of them (1.4 ac against a typical 1.2 ac) and it is newer than 65% of them (1990 against a typical 1985). Measured against all of Carroll County, it is worth more than 44% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3 Altdorf Pl, Madison, NH?

The 2025 property tax bill for 3 Altdorf Pl, Madison, NH was $5,621. The county assessed it at $626,000.

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