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Single Family ResidenceResidential
$1,230,270$976 / 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 91How 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

4 RIVERSIDE PL

CAMBRIDGE, MA 02139
2
Beds
1.5
Baths
1,260 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.
1,248 ft²
Lot SizeThe size of the land the home sits on, from county records.
1886
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$1.1M low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,662 (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.$891,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$684,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$206,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,713,325

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.minimal

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.Colonial
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.03
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.Steam
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
Martin Luther King Jr.A-
Elementary · Grades PK–5 · 0.2 mi
M
Putnam Avenue Upper SchoolB
Middle · Grades 6–8 · 0.2 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%

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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

4 Riverside Pl 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 81% of homes in Middlesex County
  • Costs more per square foot than 97% of homes in Middlesex County
  • Smaller than 77% of homes in Middlesex County
  • Among the smallest lots in Riverside
  • Older than 95% 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
$384K$2.5M

This home is worth more than 71% of 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$1,230,270
CheaperTypical $920,288Pricier

Pricier than 71% of homes nearby

Price per ft²$976
CheaperTypical $915Pricier

Pricier than 66% of homes nearby

Living area1,260 ft²
SmallerTypical 1,196 ft²Bigger

Bigger than 54% of homes nearby

Lot size1,248 ft²
SmallerTypical 0.11 acBigger

Smaller than almost all homes nearby

Year built1886
OlderTypical 1903Newer

Newer than 26% of homes nearby

How 4 Riverside Pl ranks against every home in each area.
MeasureThis homeRiversideCambridge 02139Middlesex County
Estimated valuepricier than$1,230,27069% of homes71% of homes81% of homes
Price per ft²pricier than$97654% of homes66% of homes97% of homes
Living areabigger than1,260 ft²58% of homes54% of homes23% of homes
Lot sizebigger than1,248 ft²almost no homesalmost no homesalmost no homes
Year builtnewer than188623% of homes26% of homes5% of homes

About 4 Riverside Pl

How much is 4 Riverside Pl, Cambridge, MA worth?

The TopHap Estimate for 4 Riverside Pl, Cambridge, MA is $1,230,270 as of Sep 24, 2026. The likely range is $1,117,056 to $1,343,484. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Riverside Pl, Cambridge, MA last sell?

4 Riverside Pl, Cambridge, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Riverside Pl, Cambridge, MA?

4 Riverside Pl, Cambridge, MA has 2 bedrooms, 1.5 bathrooms, 1,260 square feet of living space and a 0.03-acre lot.

When was 4 Riverside Pl, Cambridge, MA built?

4 Riverside Pl, Cambridge, MA was built in 1886, making it 140 years old. It is a colonial home. The building has 2 stories.

What schools serve 4 Riverside Pl, Cambridge, MA?

4 Riverside Pl, Cambridge, MA is assigned to Martin Luther King Jr. (elementary), rated A-; Putnam Avenue Upper School (middle), rated B; 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 4 Riverside Pl, Cambridge, MA compare to other homes in Cambridge 02139?

Among the 7,274 homes in Cambridge 02139, it is worth more than 71% of them ($1,230,270 against a typical $920,288), its price per square foot is higher than 66% of them ($976 against a typical $915), it is bigger than 54% of them (1,260 ft² against a typical 1,196 ft²), its lot is bigger than almost none of them (1,248 ft² against a typical 0.11 ac) and it is newer than 26% of them (1886 against a typical 1903). Measured against all of Middlesex County, it is worth more than 81% 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 4 Riverside Pl, Cambridge, MA?

The 2025 property tax bill for 4 Riverside Pl, Cambridge, MA was $5,662. The county assessed it at $891,600.

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