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Triplex (3 Units, Any Combination)Residential
Last sold for $1,500 on Jul 2, 2014

231 WASHINGTON ST

DORCHESTER, MA 02121
6
Beds
3
Baths
2,520 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.
1,651 ft²
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
15
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
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.$1,500 · Jul 2, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,855 (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.$764,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$177,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$587,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$753,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
CountySuffolk
Lot (acres)The size of the land the home sits on, from county records.0.04
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(11)

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
Oliver W. Holmes Elementary SchoolB-
Elementary · Grades PK–5 · 0.4 mi
H
Up Academy DorchesterC+
High · Grades PK–12 · 0.4 mi
M
Sarah Greenwood K-8 SchoolD+
Middle · Grades PK–8 · 0.4 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

231 Washington 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 77% of homes in Suffolk County
  • Has a smaller lot than 89% of homes in Dorchester 02121
  • Older than 92% 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 area2,520 ft²
SmallerTypical 3,268 ft²Bigger

Bigger than 32% of homes nearby

Lot size1,651 ft²
SmallerTypical 4,269 ft²Bigger

Bigger than 11% of homes nearby

Year built1890
OlderTypical 1905Newer

Newer than 8% of homes nearby

How 231 Washington St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02121Suffolk County
Living areabigger than2,520 ft²55% of homes32% of homes77% of homes
Lot sizebigger than1,651 ft²21% of homes11% of homes41% of homes
Year builtnewer than189010% of homes8% of homes13% of homes

About 231 Washington St

When did 231 Washington St, Dorchester, MA last sell?

231 Washington St, Dorchester, MA last sold on Jul 2, 2014 for $1,500, according to the county's recorded deed. TopHap holds 9 recorded sales for this parcel.

How big is 231 Washington St, Dorchester, MA?

231 Washington St, Dorchester, MA has 6 bedrooms, 3 bathrooms, 2,520 square feet of living space and a 0.04-acre lot.

When was 231 Washington St, Dorchester, MA built?

231 Washington St, Dorchester, MA was built in 1890, making it 136 years old. The building has 3 stories.

What schools serve 231 Washington St, Dorchester, MA?

231 Washington St, Dorchester, MA is assigned to Oliver W. Holmes Elementary School (elementary), rated B-; Up Academy Dorchester (high), rated C+; Sarah Greenwood K-8 School (middle), rated D+. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 231 Washington St, Dorchester, MA compare to other homes in Dorchester 02121?

Among the 2,911 homes in Dorchester 02121, it is bigger than 32% of them (2,520 ft² against a typical 3,268 ft²), its lot is bigger than 11% of them (1,651 ft² against a typical 4,269 ft²) and it is newer than 8% of them (1890 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 231 Washington St, Dorchester, MA?

The 2025 property tax bill for 231 Washington St, Dorchester, MA was $8,855. The county assessed it at $764,700.

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