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Duplex (2 Units, Any Combination)Residential
Last sold for $875,000 on Sep 1, 2015

71 OLD HARBOR ST

SOUTH BOSTON, MA 02127
5
Beds
2
Baths
3,357 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.
2,160 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.
15
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

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 · Sep 1, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,553 (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.$1,343,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$371,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$971,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.05
HeatingThe type of heating system in the home.Electric
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

H
Excel High SchoolD-
High · Grades 9–12 · 0.1 mi
E
Michael J. Perkins Elementary SchoolD-
Elementary · Grades KG–5 · 0.2 mi
M
James Condon K-8 SchoolF
Middle · Grades PK–8 · 0.5 mi

District: Boston School District

Neighborhood · ZIP 02127These 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.110
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 100.79

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.44%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.37,644
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.15,131 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$146,200
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$170,961
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

71 Old Harbor 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 95% of homes in South Boston 02127
  • Has a bigger lot than 81% of homes in South Boston 02127

How it measures up in South Boston 02127

The dot is this home. The mark in the middle is the typical home in South Boston 02127.

Living area3,357 ft²
SmallerTypical 1,199 ft²Bigger

Bigger than 95% of homes nearby

Lot size2,160 ft²
SmallerTypical 1,220 ft²Bigger

Bigger than 81% of homes nearby

Year built1910
OlderTypical 1905Newer

Newer than 60% of homes nearby

How 71 Old Harbor St ranks against every home in each area.
MeasureThis homeSouth Boston 02127Suffolk County
Living areabigger than3,357 ft²95% of homes89% of homes
Lot sizebigger than2,160 ft²81% of homes47% of homes
Year builtnewer than191060% of homes45% of homes

About 71 Old Harbor St

When did 71 Old Harbor St, South Boston, MA last sell?

71 Old Harbor St, South Boston, MA last sold on Sep 1, 2015 for $875,000, according to the county's recorded deed.

How big is 71 Old Harbor St, South Boston, MA?

71 Old Harbor St, South Boston, MA has 5 bedrooms, 2 bathrooms, 3,357 square feet of living space and a 0.05-acre lot.

When was 71 Old Harbor St, South Boston, MA built?

71 Old Harbor St, South Boston, MA was built in 1910, making it 116 years old. The building has 3 stories.

What schools serve 71 Old Harbor St, South Boston, MA?

71 Old Harbor St, South Boston, MA is assigned to Excel High School (high), rated D-; Michael J. Perkins Elementary School (elementary), rated D-; James Condon K-8 School (middle), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 71 Old Harbor St, South Boston, MA compare to other homes in South Boston 02127?

Among the 11,103 homes in South Boston 02127, it is bigger than 95% of them (3,357 ft² against a typical 1,199 ft²), its lot is bigger than 81% of them (2,160 ft² against a typical 1,220 ft²) and it is newer than 60% 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 71 Old Harbor St, South Boston, MA?

The 2025 property tax bill for 71 Old Harbor St, South Boston, MA was $15,553. The county assessed it at $1,343,100.

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