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Triplex (3 Units, Any Combination)Residential

401 SEAVER ST

DORCHESTER, MA 02121
8
Beds
3
Baths
3,481 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.
4,204 ft²
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
13
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,837 (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.$763,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$237,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$525,400

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1997
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Jeremiah E. Burke High SchoolF
High · Grades 9–12 · 0.3 mi
E
Sarah Greenwood K-8 SchoolF
Elementary · Grades PK–8 · 0.5 mi

District: Boston School District

Neighborhood · ZIP 02121These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.28,076
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.22,114 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$45,811
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,928
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

401 Seaver 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 90% of homes in Suffolk County
  • Has a bigger lot than 66% of homes in Suffolk County
  • Newer than 67% of homes in Dorchester 02121

How it measures up in Dorchester 02121

The dot is this home. The mark in the middle is the typical home in Dorchester 02121.

Living area3,481 ft²
SmallerTypical 3,258 ft²Bigger

Bigger than 57% of homes nearby

Lot size4,204 ft²
SmallerTypical 4,269 ft²Bigger

Bigger than 49% of homes nearby

Year built1910
OlderTypical 1905Newer

Newer than 67% of homes nearby

How 401 Seaver St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02121Suffolk County
Living areabigger than3,481 ft²78% of homes57% of homes90% of homes
Lot sizebigger than4,204 ft²62% of homes49% of homes66% of homes
Year builtnewer than191058% of homes67% of homes45% of homes

About 401 Seaver St

When did 401 Seaver St, Dorchester, MA last sell?

401 Seaver St, Dorchester, MA last sold on Aug 25, 2015, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 401 Seaver St, Dorchester, MA?

401 Seaver St, Dorchester, MA has 8 bedrooms, 3 bathrooms, 3,481 square feet of living space and a 0.10-acre lot.

When was 401 Seaver St, Dorchester, MA built?

401 Seaver St, Dorchester, MA was built in 1910, making it 116 years old. It is a conventional home. The building has 3 stories.

What schools serve 401 Seaver St, Dorchester, MA?

401 Seaver St, Dorchester, MA is assigned to Jeremiah E. Burke High School (high), rated F; Sarah Greenwood K-8 School (elementary), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 401 Seaver St, Dorchester, MA compare to other homes in Dorchester 02121?

Among the 2,911 homes in Dorchester 02121, it is bigger than 57% of them (3,481 ft² against a typical 3,258 ft²), its lot is bigger than 49% of them (4,204 ft² against a typical 4,269 ft²) and it is newer than 67% of them (1910 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 401 Seaver St, Dorchester, MA?

The 2025 property tax bill for 401 Seaver St, Dorchester, MA was $8,837. The county assessed it at $763,100.

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