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Apartments (Generic)Residential
Last sold for $1,800,000 on Jul 31, 2013

155 PROSPECT ST

CAMBRIDGE, MA 02139
0
Baths
6,171 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.
3,454 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
4
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,800,000 · Jul 31, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,595 (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.$2,928,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$896,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,032,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Apartments (Generic)
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.08
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.Roll Tar & Gravel
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

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
CambridgeportA-
Elementary · Grades PK–5 · 0.2 mi
M
Amigos SchoolA
Middle · Grades PK–8 · 0.5 mi
H
Cambridge Rindge and LatinB
High · Grades 9–12 · 0.7 mi

District: Cambridge School District

Neighborhood · ZIP 02139These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.39,263
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.22,546 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,313
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$158,134
Average tempThe average temperature here across a full year.50°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

155 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.

  • Among the largest homes in Middlesex County
  • Has a smaller lot than 94% of homes in Middlesex County
  • Older than 85% of homes in Middlesex County

How it measures up in Cambridge 02139

The dot is this home. The mark in the middle is the typical home in Cambridge 02139.

Living area6,171 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 98% of homes nearby

Lot size3,454 ft²
SmallerTypical 0.11 acBigger

Bigger than 32% of homes nearby

Year built1900
OlderTypical 1903Newer

Newer than 42% of homes nearby

How 155 Prospect St ranks against every home in each area.
MeasureThis homeMid-CambridgeCambridge 02139Middlesex County
Living areabigger than6,171 ft²98% of homes98% of homesalmost all homes
Lot sizebigger than3,454 ft²17% of homes32% of homes6% of homes
Year builtnewer than190030% of homes42% of homes15% of homes

About 155 Prospect St

When did 155 Prospect St, Cambridge, MA last sell?

155 Prospect St, Cambridge, MA last sold on Jul 31, 2013 for $1,800,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 155 Prospect St, Cambridge, MA?

155 Prospect St, Cambridge, MA has 6,171 square feet of living space and a 0.08-acre lot.

When was 155 Prospect St, Cambridge, MA built?

155 Prospect St, Cambridge, MA was built in 1900, making it 126 years old. The building has 4 stories.

What schools serve 155 Prospect St, Cambridge, MA?

155 Prospect St, Cambridge, MA is assigned to Cambridgeport (elementary), rated A-; Amigos School (middle), rated A; Cambridge Rindge and Latin (high), rated B. All sit in Cambridge School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 155 Prospect St, Cambridge, MA compare to other homes in Cambridge 02139?

Among the 7,274 homes in Cambridge 02139, it is bigger than 98% of them (6,171 ft² against a typical 1,200 ft²), its lot is bigger than 32% of them (3,454 ft² against a typical 0.11 ac) and it is newer than 42% of them (1900 against a typical 1903). 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 Prospect St, Cambridge, MA?

The 2025 property tax bill for 155 Prospect St, Cambridge, MA was $18,595. The county assessed it at $2,928,300.

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Assigned schools

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