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Triplex (3 Units, Any Combination)Residential
Last sold for $1,275,000 on Feb 24, 2025

21 ROCKWELL ST

DORCHESTER CENTER, MA 02124
9
Beds
3
Baths
3,791 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1885
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
19
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,275,000 · Feb 24, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,377 (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.$982,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$377,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$605,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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.

M
Techboston AcademyF
Middle · Grades 6–12 · 0.2 mi
E
Lee Academy SchoolD
Elementary · Grades PK–2 · 0.2 mi

District: Boston School District

Neighborhood · ZIP 02124These 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.83
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 100.73

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
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.1.1%
PopulationHow many people live in this area.50,753
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13,831 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,467
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,139
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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 Rockwell 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.

  • Bigger than 93% of homes in Suffolk County
  • Has a bigger lot than 94% of homes in Dorchester
  • Older than 96% of homes in Dorchester

How it measures up in Dorchester Center 02124

The dot is this home. The mark in the middle is the typical home in Dorchester Center 02124.

Living area3,791 ft²
SmallerTypical 2,362 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.17 ac
SmallerTypical 4,095 ft²Bigger

Bigger than 93% of homes nearby

Year built1885
OlderTypical 1910Newer

Newer than 4% of homes nearby

How 21 Rockwell St ranks against every home in each area.
MeasureThis homeDorchesterDorchester Center 02124Suffolk County
Living areabigger than3,791 ft²85% of homes87% of homes93% of homes
Lot sizebigger than0.17 ac94% of homes93% of homes91% of homes
Year builtnewer than18854% of homes4% of homes7% of homes

About 21 Rockwell St

When did 21 Rockwell St, Dorchester Center, MA last sell?

21 Rockwell St, Dorchester Center, MA last sold on Feb 24, 2025 for $1,275,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21 Rockwell St, Dorchester Center, MA?

21 Rockwell St, Dorchester Center, MA has 9 bedrooms, 3 bathrooms, 3,791 square feet of living space and a 0.17-acre lot.

When was 21 Rockwell St, Dorchester Center, MA built?

21 Rockwell St, Dorchester Center, MA was built in 1885, making it 141 years old. It is a conventional home. The building has 3 stories.

What schools serve 21 Rockwell St, Dorchester Center, MA?

21 Rockwell St, Dorchester Center, MA is assigned to Techboston Academy (middle), rated F; Lee Academy School (elementary), rated D. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Rockwell St, Dorchester Center, MA compare to other homes in Dorchester Center 02124?

Among the 8,902 homes in Dorchester Center 02124, it is bigger than 87% of them (3,791 ft² against a typical 2,362 ft²), its lot is bigger than 93% of them (0.17 ac against a typical 4,095 ft²) and it is newer than 4% of them (1885 against a typical 1910). 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 Rockwell St, Dorchester Center, MA?

The 2025 property tax bill for 21 Rockwell St, Dorchester Center, MA was $11,377. The county assessed it at $982,500.

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Assigned schools

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