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Single Family ResidenceResidential
$405,047$200 / 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 86How 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

155 FLAT ROOF MILL RD

SWANZEY, NH 03446
3
Beds
2
Baths
2,023 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.
5.9 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.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$405K
$347K low$463K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,890 (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.$391,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$290,600

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.111 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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.Historical
CountyCHESHIRE
Lot (acres)The size of the land the home sits on, from county records.5.90
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

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

M
Monadnock Regional Middle SchoolD+
Middle · Grades 7–8 · 1.9 mi
H
Monadnock Regional High SchoolB-
High · Grades 9–12 · 1.9 mi
E
Mt. Caesar Elementary School
Elementary · Grades PK–2 · 2.0 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%

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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

155 Flat Roof Mill Rd 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 less per square foot than 76% of homes in Cheshire County
  • Bigger than 66% of homes in Cheshire County
  • Has a bigger lot than 87% 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
$237K$690K

This home is worth more than 52% 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$405,047
CheaperTypical $397,665Pricier

Pricier than 52% of homes nearby

Price per ft²$200
CheaperTypical $198Pricier

Pricier than 54% of homes nearby

Living area2,023 ft²
SmallerTypical 1,877 ft²Bigger

Bigger than 57% of homes nearby

Lot size5.9 ac
SmallerTypical 1.3 acBigger

Bigger than 87% of homes nearby

Year built1850
OlderTypical 1982Newer

Newer than 6% of homes nearby

How 155 Flat Roof Mill Rd ranks against every home in each area.
MeasureThis homeSwanzey 03446Cheshire County
Estimated valuepricier than$405,04752% of homes49% of homes
Price per ft²pricier than$20054% of homes24% of homes
Living areabigger than2,023 ft²57% of homes66% of homes
Lot sizebigger than5.9 ac87% of homes83% of homes
Year builtnewer than18506% of homes7% of homes

About 155 Flat Roof Mill Rd

How much is 155 Flat Roof Mill Rd, Swanzey, NH worth?

The TopHap Estimate for 155 Flat Roof Mill Rd, Swanzey, NH is $405,047 as of Aug 30, 2026. The likely range is $347,229 to $462,865. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 155 Flat Roof Mill Rd, Swanzey, NH last sell?

155 Flat Roof Mill Rd, Swanzey, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 155 Flat Roof Mill Rd, Swanzey, NH?

155 Flat Roof Mill Rd, Swanzey, NH has 3 bedrooms, 2 bathrooms, 2,023 square feet of living space and a 5.90-acre lot.

When was 155 Flat Roof Mill Rd, Swanzey, NH built?

155 Flat Roof Mill Rd, Swanzey, NH was built in 1850, making it 176 years old. It is a historical home. The building has 2 stories.

What schools serve 155 Flat Roof Mill Rd, Swanzey, NH?

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

How does 155 Flat Roof Mill Rd, Swanzey, NH compare to other homes in Swanzey 03446?

Among the 2,355 homes in Swanzey 03446, it is worth more than 52% of them ($405,047 against a typical $397,665), its price per square foot is higher than 54% of them ($200 against a typical $198), it is bigger than 57% of them (2,023 ft² against a typical 1,877 ft²), its lot is bigger than 87% of them (5.9 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 49% 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 155 Flat Roof Mill Rd, Swanzey, NH?

The 2025 property tax bill for 155 Flat Roof Mill Rd, Swanzey, NH was $7,890. The county assessed it at $391,000.

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