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Triplex (3 Units, Any Combination)Residential
Last sold for $875,000 on Jun 17, 2026

70 W COTTAGE ST

DORCHESTER, MA 02125
3
Beds
3
Baths
3,327 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
8
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.$875,000 · Jun 17, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,818 (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.$847,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$375,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$472,200

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.0.15
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(3)

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
Dudley Street Neighborhood Charter SchoolD
Elementary · Grades PK–5 · 0.3 mi
M
Henry Dearborn STEM AcademyF
Middle · Grades 6–12 · 0.5 mi

District: Dudley Street Neighborhood Charter School

Neighborhood · ZIP 02125These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.80

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
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.34,548
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12,979 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,287
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,595
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

70 W Cottage 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 88% of homes in Suffolk County
  • Has a bigger lot than 92% of homes in Dorchester 02125
  • Newer than 70% of homes in Dorchester 02125

How it measures up in Dorchester 02125

The dot is this home. The mark in the middle is the typical home in Dorchester 02125.

Living area3,327 ft²
SmallerTypical 2,077 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.15 ac
SmallerTypical 2,919 ft²Bigger

Bigger than 92% of homes nearby

Year built1915
OlderTypical 1905Newer

Newer than 70% of homes nearby

How 70 W Cottage St ranks against every home in each area.
MeasureThis homeDorchester 02125Suffolk County
Living areabigger than3,327 ft²73% of homes88% of homes
Lot sizebigger than0.15 ac92% of homes88% of homes
Year builtnewer than191570% of homes47% of homes

About 70 W Cottage St

When did 70 W Cottage St, Dorchester, MA last sell?

70 W Cottage St, Dorchester, MA last sold on Jun 17, 2026 for $875,000, according to the county's recorded deed.

How big is 70 W Cottage St, Dorchester, MA?

70 W Cottage St, Dorchester, MA has 3 bedrooms, 3 bathrooms, 3,327 square feet of living space and a 0.15-acre lot.

When was 70 W Cottage St, Dorchester, MA built?

70 W Cottage St, Dorchester, MA was built in 1915, making it 111 years old. It is a conventional home. The building has 3 stories.

What schools serve 70 W Cottage St, Dorchester, MA?

70 W Cottage St, Dorchester, MA is assigned to Dudley Street Neighborhood Charter School (elementary), rated D; Henry Dearborn STEM Academy (middle), rated F. All sit in Dudley Street Neighborhood Charter School. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 70 W Cottage St, Dorchester, MA compare to other homes in Dorchester 02125?

Among the 5,736 homes in Dorchester 02125, it is bigger than 73% of them (3,327 ft² against a typical 2,077 ft²), its lot is bigger than 92% of them (0.15 ac against a typical 2,919 ft²) and it is newer than 70% of them (1915 against a typical 1905). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 70 W Cottage St, Dorchester, MA?

The 2025 property tax bill for 70 W Cottage St, Dorchester, MA was $9,818. The county assessed it at $847,800.

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