Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$2,911,940$495 / 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 94How 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

134 PROSPECT ST # 142

CAMBRIDGE, MA 02139
15
Beds
15 / 5
Baths
5,887 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.
0.14 ac
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.
3
StoriesHow many floors the home has above ground.
30
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$2.9M
$2.7M low$3.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$36,620 (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.$5,766,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,006,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,760,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,153,500

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
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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
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.

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%

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

134 Prospect St # 142 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 most valuable homes in The Port / Area Four
  • Costs less per square foot than 97% of homes in Cambridge 02139
  • Among the largest homes in Middlesex County
  • Has a bigger lot than 77% of homes in The Port / Area Four
  • Older than 85% of homes in Middlesex County

What homes are worth in Cambridge 02139

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

This home
$393K$2.7M

This home is worth more than almost all homes in Cambridge 02139.

How it measures up in Cambridge 02139

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

Estimated value$2,911,940
CheaperTypical $921,989Pricier

Pricier than almost all homes nearby

Price per ft²$495
CheaperTypical $916Pricier

Pricier than 3% of homes nearby

Living area5,887 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.14 ac
SmallerTypical 0.11 acBigger

Bigger than 61% of homes nearby

Year built1900
OlderTypical 1903Newer

Newer than 42% of homes nearby

How 134 Prospect St # 142 ranks against every home in each area.
MeasureThis homeThe Port / Area FourCambridge 02139Middlesex County
Estimated valuepricier than$2,911,940almost all homesalmost all homes98% of homes
Price per ft²pricier than$49510% of homes3% of homes58% of homes
Living areabigger than5,887 ft²95% of homes98% of homesalmost all homes
Lot sizebigger than0.14 ac77% of homes61% of homes23% of homes
Year builtnewer than190056% of homes42% of homes15% of homes

About 134 Prospect St # 142

How much is 134 Prospect St # 142, Cambridge, MA worth?

The TopHap Estimate for 134 Prospect St # 142, Cambridge, MA is $2,911,940 as of Sep 24, 2026. The likely range is $2,744,054 to $3,079,826. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 134 Prospect St # 142, Cambridge, MA last sell?

134 Prospect St # 142, Cambridge, MA last sold on Sep 20, 1994, according to the county's recorded deed.

How big is 134 Prospect St # 142, Cambridge, MA?

134 Prospect St # 142, Cambridge, MA has 15 bedrooms, 15 bathrooms, 5,887 square feet of living space and a 0.14-acre lot.

When was 134 Prospect St # 142, Cambridge, MA built?

134 Prospect St # 142, Cambridge, MA was built in 1900, making it 126 years old. It is a conventional home. The building has 3 stories.

What schools serve 134 Prospect St # 142, Cambridge, MA?

134 Prospect St # 142, 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 134 Prospect St # 142, Cambridge, MA compare to other homes in Cambridge 02139?

Among the 7,274 homes in Cambridge 02139, it is worth more than almost all of them ($2,911,940 against a typical $921,989), its price per square foot is higher than 3% of them ($495 against a typical $916), it is bigger than 98% of them (5,887 ft² against a typical 1,200 ft²), its lot is bigger than 61% of them (0.14 ac against a typical 0.11 ac) and it is newer than 42% of them (1900 against a typical 1903). Measured against all of Middlesex County, it is worth more than 98% 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 134 Prospect St # 142, Cambridge, MA?

The 2025 property tax bill for 134 Prospect St # 142, Cambridge, MA was $36,620. The county assessed it at $5,766,900.

More homes on Prospect St # 142

Closest homes

More homes in Cambridge 02139

Assigned schools

Explore the area

See this home in context

Open 134 Prospect St # 142 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