Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential
Last sold for $165,500 on Oct 16, 2008

12 SPEEDWELL ST

DORCHESTER, MA 02122
6
Beds
2.5
Baths
2,668 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.
3,649 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.
2
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.
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.$165,500 · Oct 16, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,671 (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.$748,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$238,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$510,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
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.2011
Lot (acres)The size of the land the home sits on, from county records.0.08
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(10)

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
Up Academy HollandD-
Elementary · Grades PK–5 · 0.3 mi
M
Up Academy DorchesterD-
Middle · Grades PK–12 · 0.3 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%

Owner Tools

Do you own this home?
Claim this home

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

12 Speedwell 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 80% 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 area2,668 ft²
SmallerTypical 1,924 ft²Bigger

Bigger than 66% of homes nearby

Lot size3,649 ft²
SmallerTypical 3,398 ft²Bigger

Bigger than 57% of homes nearby

Year built1910
OlderTypical 1910Newer

Newer than 53% of homes nearby

How 12 Speedwell St ranks against every home in each area.
MeasureThis homeDorchesterDorchester 02122Suffolk County
Living areabigger than2,668 ft²57% of homes66% of homes80% of homes
Lot sizebigger than3,649 ft²50% of homes57% of homes60% of homes
Year builtnewer than191058% of homes53% of homes45% of homes

About 12 Speedwell St

When did 12 Speedwell St, Dorchester, MA last sell?

12 Speedwell St, Dorchester, MA last sold on Oct 16, 2008 for $165,500, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 12 Speedwell St, Dorchester, MA?

12 Speedwell St, Dorchester, MA has 6 bedrooms, 2.5 bathrooms, 2,668 square feet of living space and a 0.08-acre lot.

When was 12 Speedwell St, Dorchester, MA built?

12 Speedwell St, Dorchester, MA was built in 1910, making it 116 years old. It is a duplex single home. The building has 2 stories.

What schools serve 12 Speedwell St, Dorchester, MA?

12 Speedwell St, Dorchester, MA is assigned to Up Academy Holland (elementary), rated D-; Up Academy Dorchester (middle), rated D-. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Speedwell St, Dorchester, MA compare to other homes in Dorchester 02122?

Among the 4,918 homes in Dorchester 02122, it is bigger than 66% of them (2,668 ft² against a typical 1,924 ft²), its lot is bigger than 57% of them (3,649 ft² against a typical 3,398 ft²) and it is newer than 53% of them (1910 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 12 Speedwell St, Dorchester, MA?

The 2025 property tax bill for 12 Speedwell St, Dorchester, MA was $8,671. The county assessed it at $748,800.

More homes on Speedwell St

Closest homes

More homes in Dorchester 02122

Assigned schools

Explore the area

See this home in context

Open 12 Speedwell St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map