Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$304,376$186 / 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 Sep 24, 2026

21 PROSPECT ST

SWANZEY, NH 03446
3
Beds
1
Baths
1,634 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
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

$304K
$278K low$331K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,641 (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.$230,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$72,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$157,300

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.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
10
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.Conventional
CountyCHESHIRE
Lot (acres)The size of the land the home sits on, from county records.0.50
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.

E
Mt. Caesar Elementary School
Elementary · Grades PK–2 · 2.2 mi
M
Monadnock Regional Middle SchoolD+
Middle · Grades 7–8 · 2.3 mi
H
Monadnock Regional High SchoolB-
High · Grades 9–12 · 2.3 mi

District: Monadnock Regional School District

Neighborhood · ZIP 03446These 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.107
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 100.64

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.6,996
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.163 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,584
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,681
Average tempThe average temperature here across a full year.45°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%

Owner Tools

Do you own this home?
Claim this home

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 Prospect 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 85% of homes in Swanzey 03446
  • Costs less per square foot than 83% of homes in Cheshire County
  • Has a smaller lot than 88% of homes in Swanzey 03446
  • Older than 94% of homes in Swanzey 03446

What homes are worth in Swanzey 03446

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

This home
$233K$689K

This home is worth more than 15% of homes in Swanzey 03446.

How it measures up in Swanzey 03446

The dot is this home. The mark in the middle is the typical home in Swanzey 03446.

Estimated value$304,376
CheaperTypical $393,036Pricier

Pricier than 15% of homes nearby

Price per ft²$186
CheaperTypical $196Pricier

Pricier than 35% of homes nearby

Living area1,634 ft²
SmallerTypical 1,884 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.5 ac
SmallerTypical 1.3 acBigger

Bigger than 12% of homes nearby

Year built1850
OlderTypical 1982Newer

Newer than 6% of homes nearby

How 21 Prospect St ranks against every home in each area.
MeasureThis homeSwanzey 03446Cheshire County
Estimated valuepricier than$304,37615% of homes18% of homes
Price per ft²pricier than$18635% of homes17% of homes
Living areabigger than1,634 ft²36% of homes48% of homes
Lot sizebigger than0.5 ac12% of homes31% of homes
Year builtnewer than18506% of homes7% of homes

About 21 Prospect St

How much is 21 Prospect St, Swanzey, NH worth?

The TopHap Estimate for 21 Prospect St, Swanzey, NH is $304,376 as of Sep 24, 2026. The likely range is $277,770 to $330,982. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Prospect St, Swanzey, NH last sell?

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

How big is 21 Prospect St, Swanzey, NH?

21 Prospect St, Swanzey, NH has 3 bedrooms, 1 bathrooms, 1,634 square feet of living space and a 0.50-acre lot.

When was 21 Prospect St, Swanzey, NH built?

21 Prospect St, Swanzey, NH was built in 1850, making it 176 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Prospect St, Swanzey, NH?

21 Prospect St, Swanzey, NH is assigned to Mt. Caesar Elementary School (elementary); Monadnock Regional Middle School (middle), rated D+; Monadnock Regional High School (high), rated B-. All sit in Monadnock Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Prospect St, Swanzey, NH compare to other homes in Swanzey 03446?

Among the 2,355 homes in Swanzey 03446, it is worth more than 15% of them ($304,376 against a typical $393,036), its price per square foot is higher than 35% of them ($186 against a typical $196), it is bigger than 36% of them (1,634 ft² against a typical 1,884 ft²), its lot is bigger than 12% of them (0.5 ac against a typical 1.3 ac) and it is newer than 6% of them (1850 against a typical 1982). Measured against all of Cheshire County, it is worth more than 18% 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 Prospect St, Swanzey, NH?

The 2025 property tax bill for 21 Prospect St, Swanzey, NH was $4,641. The county assessed it at $230,000.

More homes on Prospect St

Closest homes

More homes in Swanzey 03446

Assigned schools

Explore the area

See this home in context

Open 21 Prospect St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map