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Single Family ResidenceResidential
$999,000$1,115 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $620,000 on May 28, 2019

21 WINTER ST

CAMBRIDGE, MA 02141
2
Beds
1.5
Baths
896 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.
1,504 ft²
Lot SizeThe size of the land the home sits on, from county records.
1840
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$999K
$957K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$620,000 · May 28, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,716 (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.$742,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$548,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$194,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$826,595

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.48 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.72%
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.Conventional
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.04
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

Transaction History(1)

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
Kennedy-LongfellowC+
Elementary · Grades PK–5 · 0.4 mi
M
Cambridge Street Upper SchoolA-
Middle · Grades 6–8 · 0.6 mi
H
Cambridge Rindge and LatinA-
High · Grades 9–12 · 1.6 mi

District: Cambridge School District

Neighborhood · ZIP 02141These 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.167
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.15,413
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.24,555 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,056
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$132,600
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

21 Winter 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 70% of homes in Middlesex County
  • Costs more per square foot than 98% of homes in Middlesex County
  • Smaller than 93% of homes in Middlesex County
  • Among the smallest lots in Middlesex County
  • Among the oldest homes in Middlesex County

What homes are worth in Cambridge 02141

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

This home
$385K$1.9M

This home is worth more than 67% of homes in Cambridge 02141.

How it measures up in Cambridge 02141

The dot is this home. The mark in the middle is the typical home in Cambridge 02141.

Estimated value$999,000
CheaperTypical $879,903Pricier

Pricier than 67% of homes nearby

Price per ft²$1115
CheaperTypical $949Pricier

Pricier than 93% of homes nearby

Living area896 ft²
SmallerTypical 1,046 ft²Bigger

Bigger than 32% of homes nearby

Lot size1,504 ft²
SmallerTypical 0.13 acBigger

Bigger than 10% of homes nearby

Year built1840
OlderTypical 1920Newer

Newer than 2% of homes nearby

How 21 Winter St ranks against every home in each area.
MeasureThis homeCambridge 02141Middlesex County
Estimated valuepricier than$999,00067% of homes70% of homes
Price per ft²pricier than$111593% of homes98% of homes
Living areabigger than896 ft²32% of homes7% of homes
Lot sizebigger than1,504 ft²10% of homesalmost no homes
Year builtnewer than18402% of homesalmost no homes

About 21 Winter St

How much is 21 Winter St, Cambridge, MA worth?

The TopHap Estimate for 21 Winter St, Cambridge, MA is $999,000 as of Aug 30, 2026. The likely range is $957,040 to $1,040,960. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Winter St, Cambridge, MA last sell?

21 Winter St, Cambridge, MA last sold on May 28, 2019 for $620,000, according to the county's recorded deed.

How big is 21 Winter St, Cambridge, MA?

21 Winter St, Cambridge, MA has 2 bedrooms, 1.5 bathrooms, 896 square feet of living space and a 0.04-acre lot.

When was 21 Winter St, Cambridge, MA built?

21 Winter St, Cambridge, MA was built in 1840, making it 186 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Winter St, Cambridge, MA?

21 Winter St, Cambridge, MA is assigned to Kennedy-Longfellow (elementary), rated C+; Cambridge Street Upper School (middle), 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 21 Winter St, Cambridge, MA compare to other homes in Cambridge 02141?

Among the 3,475 homes in Cambridge 02141, it is worth more than 67% of them ($999,000 against a typical $879,903), its price per square foot is higher than 93% of them ($1115 against a typical $949), it is bigger than 32% of them (896 ft² against a typical 1,046 ft²), its lot is bigger than 10% of them (1,504 ft² against a typical 0.13 ac) and it is newer than 2% of them (1840 against a typical 1920). Measured against all of Middlesex County, it is worth more than 70% 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 21 Winter St, Cambridge, MA?

The 2025 property tax bill for 21 Winter St, Cambridge, MA was $4,716. The county assessed it at $742,700.

More homes on Winter St

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Assigned schools

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