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Single Family ResidenceResidential
$279,179$286 / 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 91How 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

340 NH ROUTE 12A

LANGDON, NH 03602
2
Beds
1
Baths
977 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.
3 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$279K
$255K low$304K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,434 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$122,110 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$60,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$62,110

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
23
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
StyleThe architectural style of the home, such as ranch or colonial.Cottage
CountySULLIVAN
Lot (acres)The size of the land the home sits on, from county records.3.00
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

H
Fall Mountain Regional High SchoolD
High · Grades 9–12 · 0.6 mi
E
Sarah Porter School
Elementary · Grades 1–4 · 0.8 mi
M
Vilas Middle SchoolA-
Middle · Grades 5–8 · 2.4 mi

District: Fall Mountain Regional School District

Neighborhood · ZIP 03602These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.2,912
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.45 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,988
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,683
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

340 Nh Route 12a 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.

  • Worth less than 79% of homes in Alstead 03602
  • Costs more per square foot than 79% of homes in Alstead 03602
  • Smaller than 85% of homes in Alstead 03602
  • Has a bigger lot than 66% of homes in Sullivan County
  • Newer than 75% of homes in Sullivan County

What homes are worth in Alstead 03602

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

This home
$168K$888K

This home is worth more than 21% of homes in Alstead 03602.

How it measures up in Alstead 03602

The dot is this home. The mark in the middle is the typical home in Alstead 03602.

Estimated value$279,179
CheaperTypical $361,563Pricier

Pricier than 21% of homes nearby

Price per ft²$286
CheaperTypical $220Pricier

Pricier than 79% of homes nearby

Living area977 ft²
SmallerTypical 1,688 ft²Bigger

Bigger than 15% of homes nearby

Lot size3 ac
SmallerTypical 4.8 acBigger

Bigger than 43% of homes nearby

Year built1991
OlderTypical 1977Newer

Newer than 72% of homes nearby

How 340 Nh Route 12a ranks against every home in each area.
MeasureThis homeAlstead 03602Sullivan County
Estimated valuepricier than$279,17921% of homes25% of homes
Price per ft²pricier than$28679% of homes71% of homes
Living areabigger than977 ft²15% of homes16% of homes
Lot sizebigger than3 ac43% of homes66% of homes
Year builtnewer than199172% of homes75% of homes

About 340 Nh Route 12a

How much is 340 Nh Route 12a, Langdon, NH worth?

The TopHap Estimate for 340 Nh Route 12a, Langdon, NH is $279,179 as of Aug 30, 2026. The likely range is $254,551 to $303,807. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 Nh Route 12a, Langdon, NH last sell?

340 Nh Route 12a, Langdon, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 340 Nh Route 12a, Langdon, NH?

340 Nh Route 12a, Langdon, NH has 2 bedrooms, 1 bathrooms, 977 square feet of living space and a 3.00-acre lot.

When was 340 Nh Route 12a, Langdon, NH built?

340 Nh Route 12a, Langdon, NH was built in 1991, making it 35 years old. It is a cottage home. The building has 2 stories.

What schools serve 340 Nh Route 12a, Langdon, NH?

340 Nh Route 12a, Langdon, NH is assigned to Fall Mountain Regional High School (high), rated D; Sarah Porter School (elementary); Vilas Middle School (middle), rated A-. All sit in Fall Mountain Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 Nh Route 12a, Langdon, NH compare to other homes in Alstead 03602?

Among the 1,230 homes in Alstead 03602, it is worth more than 21% of them ($279,179 against a typical $361,563), its price per square foot is higher than 79% of them ($286 against a typical $220), it is bigger than 15% of them (977 ft² against a typical 1,688 ft²), its lot is bigger than 43% of them (3 ac against a typical 4.8 ac) and it is newer than 72% of them (1991 against a typical 1977). Measured against all of Sullivan County, it is worth more than 25% 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 340 Nh Route 12a, Langdon, NH?

The 2024 property tax bill for 340 Nh Route 12a, Langdon, NH was $3,434. The county assessed it at $122,110.

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