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Triplex (3 Units, Any Combination)Residential
Last sold for $165,000 on Mar 19, 1999

100 KING ST

DORCHESTER, MA 02122
6
Beds
3
Baths
3,537 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.
4,000 ft²
Lot SizeThe size of the land the home sits on, from county records.
1905
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.$165,000 · Mar 19, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,211 (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.$1,054,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$282,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$772,500

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.0.09
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Richard J. Murphy K-8 SchoolC
Elementary · Grades PK–8 · 0.3 mi
H
Community Academy Of Science And HealthF
High · Grades 9–12 · 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%

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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

100 King 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

How it measures up in Dorchester 02122

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

Living area3,537 ft²
SmallerTypical 1,922 ft²Bigger

Bigger than 84% of homes nearby

Lot size4,000 ft²
SmallerTypical 3,441 ft²Bigger

Bigger than 64% of homes nearby

Year built1905
OlderTypical 1910Newer

Newer than 46% of homes nearby

How 100 King St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02122Suffolk County
Living areabigger than3,537 ft²80% of homes84% of homes90% of homes
Lot sizebigger than4,000 ft²56% of homes64% of homes62% of homes
Year builtnewer than190549% of homes46% of homes37% of homes

About 100 King St

When did 100 King St, Dorchester, MA last sell?

100 King St, Dorchester, MA last sold on Mar 19, 1999 for $165,000, according to the county's recorded deed.

How big is 100 King St, Dorchester, MA?

100 King St, Dorchester, MA has 6 bedrooms, 3 bathrooms, 3,537 square feet of living space and a 0.09-acre lot.

When was 100 King St, Dorchester, MA built?

100 King St, Dorchester, MA was built in 1905, making it 121 years old. The building has 3 stories.

What schools serve 100 King St, Dorchester, MA?

100 King St, Dorchester, MA is assigned to Richard J. Murphy K-8 School (elementary), rated C; Community Academy Of Science And Health (high), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 King St, Dorchester, MA compare to other homes in Dorchester 02122?

Among the 4,918 homes in Dorchester 02122, it is bigger than 84% of them (3,537 ft² against a typical 1,922 ft²), its lot is bigger than 64% of them (4,000 ft² against a typical 3,441 ft²) and it is newer than 46% of them (1905 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 100 King St, Dorchester, MA?

The 2025 property tax bill for 100 King St, Dorchester, MA was $12,211. The county assessed it at $1,054,500.

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