Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$729,071$280 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $319,900 on Nov 17, 2004

21 WINTER ST

DORCHESTER, MA 02122
3
Beds
2
Baths
2,607 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.
0.13 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.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$729K
$659K low$799K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$319,900 · Nov 17, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,131 (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.$615,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$274,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$340,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$711,645

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
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.13
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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
Mather Elementary SchoolD+
Elementary · Grades PK–5 · 0.1 mi
H
Community Academy Of Science And HealthF
High · Grades 9–12 · 0.6 mi
M
Lilla G. Frederick Middle SchoolF
Middle · Grades 6–8 · 0.6 mi

District: Boston School District

Neighborhood · ZIP 02122These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.23,849
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,977 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,827
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,947
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

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 71% of homes in Dorchester 02122
  • Among the lowest price per square foot in Dorchester 02122
  • Bigger than 79% of homes in Suffolk County
  • Has a bigger lot than 86% of homes in Dorchester 02122
  • Older than 78% of homes in Dorchester 02122

What homes are worth in Dorchester 02122

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

This home
$288K$1.1M

This home is worth more than 71% of homes in Dorchester 02122.

How it measures up in Dorchester 02122

The dot is this home. The mark in the middle is the typical home in Dorchester 02122.

Estimated value$729,071
CheaperTypical $608,806Pricier

Pricier than 71% of homes nearby

Price per ft²$280
CheaperTypical $483Pricier

Cheaper than almost all homes nearby

Living area2,607 ft²
SmallerTypical 1,922 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.13 ac
SmallerTypical 3,441 ft²Bigger

Bigger than 86% of homes nearby

Year built1900
OlderTypical 1910Newer

Newer than 22% of homes nearby

How 21 Winter St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02122Suffolk County
Estimated valuepricier than$729,07170% of homes71% of homes54% of homes
Price per ft²pricier than$2806% of homesalmost no homes2% of homes
Living areabigger than2,607 ft²57% of homes66% of homes79% of homes
Lot sizebigger than0.13 ac84% of homes86% of homes81% of homes
Year builtnewer than190027% of homes22% of homes31% of homes

About 21 Winter St

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

The TopHap Estimate for 21 Winter St, Dorchester, MA is $729,071 as of Oct 21, 2026. The likely range is $658,819 to $799,323. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

21 Winter St, Dorchester, MA last sold on Nov 17, 2004 for $319,900, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21 Winter St, Dorchester, MA?

21 Winter St, Dorchester, MA has 3 bedrooms, 2 bathrooms, 2,607 square feet of living space and a 0.13-acre lot.

When was 21 Winter St, Dorchester, MA built?

21 Winter St, Dorchester, MA was built in 1900, making it 126 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Winter St, Dorchester, MA?

21 Winter St, Dorchester, MA is assigned to Mather Elementary School (elementary), rated D+; Community Academy Of Science And Health (high), rated F; Lilla G. Frederick Middle School (middle), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Winter St, Dorchester, MA compare to other homes in Dorchester 02122?

Among the 4,918 homes in Dorchester 02122, it is worth more than 71% of them ($729,071 against a typical $608,806), its price per square foot is higher than almost none of them ($280 against a typical $483), it is bigger than 66% of them (2,607 ft² against a typical 1,922 ft²), its lot is bigger than 86% of them (0.13 ac against a typical 3,441 ft²) and it is newer than 22% of them (1900 against a typical 1910). Measured against all of Suffolk County, it is worth more than 54% 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, Dorchester, MA?

The 2025 property tax bill for 21 Winter St, Dorchester, MA was $7,131. The county assessed it at $615,800.

More homes on Winter St

Closest homes

More homes in Dorchester 02122

Assigned schools

Explore the area

See this home in context

Open 21 Winter St 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