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Single Family ResidenceResidential
$1,718,559$736 / 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 93How 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

70 PROSPECT ST

BELMONT, MA 02478
3
Beds
3.5
Baths
2,334 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.7M
$1.6M low$1.8M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,907 (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.$1,660,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$801,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$859,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,254,540

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.Colonial
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.24
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Steam
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Winn BrookA+
Elementary · Grades KG–3 · 0.4 mi
H
Belmont High SchoolA+
High · Grades 9–12 · 0.7 mi
M
Winthrop L Chenery Upper Elementary SchoolA-
Middle · Grades 4–6 · 1.2 mi

District: Belmont School District

Neighborhood · ZIP 02478These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.27,636
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,959 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$162,650
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$213,185
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

70 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 more than 92% of homes in Middlesex County
  • Costs more per square foot than 89% of homes in Middlesex County
  • Bigger than 69% of homes in Middlesex County
  • Has a bigger lot than 76% of homes in Belmont 02478
  • Newer than 81% of homes in Belmont 02478

What homes are worth in Belmont 02478

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

This home
$598K$3.7M

This home is worth more than 69% of homes in Belmont 02478.

How it measures up in Belmont 02478

The dot is this home. The mark in the middle is the typical home in Belmont 02478.

Estimated value$1,718,559
CheaperTypical $1,464,433Pricier

Pricier than 69% of homes nearby

Price per ft²$736
CheaperTypical $715Pricier

Pricier than 57% of homes nearby

Living area2,334 ft²
SmallerTypical 2,116 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.24 ac
SmallerTypical 0.16 acBigger

Bigger than 76% of homes nearby

Year built1955
OlderTypical 1930Newer

Newer than 81% of homes nearby

How 70 Prospect St ranks against every home in each area.
MeasureThis homeBelmont 02478Middlesex County
Estimated valuepricier than$1,718,55969% of homes92% of homes
Price per ft²pricier than$73657% of homes89% of homes
Living areabigger than2,334 ft²60% of homes69% of homes
Lot sizebigger than0.24 ac76% of homes43% of homes
Year builtnewer than195581% of homes47% of homes

About 70 Prospect St

How much is 70 Prospect St, Belmont, MA worth?

The TopHap Estimate for 70 Prospect St, Belmont, MA is $1,718,559 as of Sep 24, 2026. The likely range is $1,606,528 to $1,830,590. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 70 Prospect St, Belmont, MA last sell?

70 Prospect St, Belmont, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 70 Prospect St, Belmont, MA?

70 Prospect St, Belmont, MA has 3 bedrooms, 3.5 bathrooms, 2,334 square feet of living space and a 0.24-acre lot.

When was 70 Prospect St, Belmont, MA built?

70 Prospect St, Belmont, MA was built in 1955, making it 71 years old. It is a colonial home. The building has 2 stories.

What schools serve 70 Prospect St, Belmont, MA?

70 Prospect St, Belmont, MA is assigned to Winn Brook (elementary), rated A+; Belmont High School (high), rated A+; Winthrop L Chenery Upper Elementary School (middle), rated A-. All sit in Belmont School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 70 Prospect St, Belmont, MA compare to other homes in Belmont 02478?

Among the 7,995 homes in Belmont 02478, it is worth more than 69% of them ($1,718,559 against a typical $1,464,433), its price per square foot is higher than 57% of them ($736 against a typical $715), it is bigger than 60% of them (2,334 ft² against a typical 2,116 ft²), its lot is bigger than 76% of them (0.24 ac against a typical 0.16 ac) and it is newer than 81% of them (1955 against a typical 1930). Measured against all of Middlesex County, it is worth more than 92% 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 70 Prospect St, Belmont, MA?

The 2025 property tax bill for 70 Prospect St, Belmont, MA was $18,907. The county assessed it at $1,660,000.

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