Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential
Last sold for $600,000 on Dec 1, 2004

135 RIVER ST # 139

CAMBRIDGE, MA 02139
8
Beds
6 / 2
Baths
3,624 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1873
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$600,000 · Dec 1, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$21,086 (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.$3,320,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$831,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,489,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,871,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
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.0.12
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

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

E
Amigos SchoolA
Elementary · Grades PK–8 · 0.1 mi
H
Cambridge Rindge and LatinA-
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

135 River St # 139 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.

  • Bigger than 93% of homes in Cambridge 02139
  • Has a smaller lot than 83% of homes in Middlesex County
  • Older than 97% 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 area3,624 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.12 ac
SmallerTypical 0.11 acBigger

Bigger than 54% of homes nearby

Year built1873
OlderTypical 1903Newer

Newer than 18% of homes nearby

How 135 River St # 139 ranks against every home in each area.
MeasureThis homeRiversideCambridge 02139Middlesex County
Living areabigger than3,624 ft²92% of homes93% of homes93% of homes
Lot sizebigger than0.12 ac58% of homes54% of homes17% of homes
Year builtnewer than187315% of homes18% of homes3% of homes

About 135 River St # 139

When did 135 River St # 139, Cambridge, MA last sell?

135 River St # 139, Cambridge, MA last sold on Dec 1, 2004 for $600,000, according to the county's recorded deed.

How big is 135 River St # 139, Cambridge, MA?

135 River St # 139, Cambridge, MA has 8 bedrooms, 6 bathrooms, 3,624 square feet of living space and a 0.12-acre lot.

When was 135 River St # 139, Cambridge, MA built?

135 River St # 139, Cambridge, MA was built in 1873, making it 153 years old. It is a conventional home. The building has 3 stories.

What schools serve 135 River St # 139, Cambridge, MA?

135 River St # 139, Cambridge, MA is assigned to Amigos School (elementary), rated A; Cambridge Rindge and Latin (high), rated A-. All sit in Cambridge School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 135 River St # 139, Cambridge, MA compare to other homes in Cambridge 02139?

Among the 7,274 homes in Cambridge 02139, it is bigger than 93% of them (3,624 ft² against a typical 1,200 ft²), its lot is bigger than 54% of them (0.12 ac against a typical 0.11 ac) and it is newer than 18% of them (1873 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 135 River St # 139, Cambridge, MA?

The 2025 property tax bill for 135 River St # 139, Cambridge, MA was $21,086. The county assessed it at $3,320,700.

More homes on River St # 139

Closest homes

More homes in Cambridge 02139

Assigned schools

Explore the area

See this home in context

Open 135 River St # 139 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