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Single Family ResidenceResidential
$350,115$197 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

21 WEST ST

ANTRIM, NH 03440
2
Beds
1
Baths
1,774 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$350K
$323K low$377K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,472 (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.$236,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$109,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$127,700

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
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.
33
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
CountyHILLSBOROUGH
Lot (acres)The size of the land the home sits on, from county records.0.45
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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.

E
Antrim Elementary SchoolB+
Elementary · Grades PK–4 · 0.1 mi
M
Great Brook SchoolB
Middle · Grades 5–8 · 0.2 mi
H
ConVal Regional High SchoolA
High · Grades 9–12 · 8.4 mi

District: Contoocook Valley School District

Neighborhood · ZIP 03440These 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.141
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 100.82

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.2,747
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.72 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,674
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,193
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

21 West St 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 89% of homes in Hillsborough County
  • Costs less per square foot than 96% of homes in Hillsborough County
  • Has a smaller lot than 83% of homes in Antrim 03440
  • Older than 90% of homes in Hillsborough County

What homes are worth in Antrim 03440

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

This home
$245K$986K

This home is worth more than 22% of homes in Antrim 03440.

How it measures up in Antrim 03440

The dot is this home. The mark in the middle is the typical home in Antrim 03440.

Estimated value$350,115
CheaperTypical $429,761Pricier

Pricier than 22% of homes nearby

Price per ft²$197
CheaperTypical $288Pricier

Pricier than 10% of homes nearby

Living area1,774 ft²
SmallerTypical 1,546 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.45 ac
SmallerTypical 1.7 acBigger

Bigger than 17% of homes nearby

Year built1910
OlderTypical 1973Newer

Newer than 20% of homes nearby

How 21 West St ranks against every home in each area.
MeasureThis homeAntrim 03440Hillsborough County
Estimated valuepricier than$350,11522% of homes11% of homes
Price per ft²pricier than$19710% of homes4% of homes
Living areabigger than1,774 ft²64% of homes51% of homes
Lot sizebigger than0.45 ac17% of homes45% of homes
Year builtnewer than191020% of homes10% of homes

About 21 West St

How much is 21 West St, Antrim, NH worth?

The TopHap Estimate for 21 West St, Antrim, NH is $350,115 as of Sep 24, 2026. The likely range is $322,904 to $377,326. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 West St, Antrim, NH last sell?

21 West St, Antrim, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 West St, Antrim, NH?

21 West St, Antrim, NH has 2 bedrooms, 1 bathrooms, 1,774 square feet of living space and a 0.45-acre lot.

When was 21 West St, Antrim, NH built?

21 West St, Antrim, NH was built in 1910, making it 116 years old. The building has 2 stories.

What schools serve 21 West St, Antrim, NH?

21 West St, Antrim, NH is assigned to Antrim Elementary School (elementary), rated B+; Great Brook School (middle), rated B; ConVal Regional High School (high), rated A. All sit in Contoocook Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 West St, Antrim, NH compare to other homes in Antrim 03440?

Among the 1,234 homes in Antrim 03440, it is worth more than 22% of them ($350,115 against a typical $429,761), its price per square foot is higher than 10% of them ($197 against a typical $288), it is bigger than 64% of them (1,774 ft² against a typical 1,546 ft²), its lot is bigger than 17% of them (0.45 ac against a typical 1.7 ac) and it is newer than 20% of them (1910 against a typical 1973). Measured against all of Hillsborough County, it is worth more than 11% 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 21 West St, Antrim, NH?

The 2025 property tax bill for 21 West St, Antrim, NH was $5,472. The county assessed it at $236,800.

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