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CondominiumResidential
$575,486$1,028 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $508,000 on Sep 13, 2018

57 L ST

SOUTH BOSTON, MA 02127
Building report
1
Baths
560 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
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

$575K
$524K low$627K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$508,000 · Sep 13, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,608 (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.$570,600 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$570,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$750,595

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountySUFFOLK
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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

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

E
Joseph P. Tynan Elementary SchoolF
Elementary · Grades PK–5 · 0.2 mi
M
Oliver Hazard Perry K-8 SchoolB-
Middle · Grades PK–8 · 0.4 mi
H
Excel High SchoolD-
High · Grades 9–12 · 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%

Owner Tools

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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

57 L 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.

  • Worth less than 86% of homes in South Boston 02127
  • Costs more per square foot than 95% of homes in South Boston 02127
  • Smaller than 95% of homes in South Boston 02127
  • Has a bigger lot than 95% of homes in South Boston 02127
  • Newer than 97% of homes in Suffolk County

What homes are worth in South Boston 02127

Each bar is how many homes fall in that price range. The marker is this home.

This home
$440K$1.9M

This home is worth more than 14% 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.

Estimated value$575,486
CheaperTypical $841,754Pricier

Pricier than 14% of homes nearby

Price per ft²$1028
CheaperTypical $806Pricier

Pricier than 95% of homes nearby

Living area560 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 5% of homes nearby

Lot size0.18 ac
SmallerTypical 1,220 ft²Bigger

Bigger than 95% of homes nearby

Year built2018
OlderTypical 1905Newer

Newer than 96% of homes nearby

How 57 L St ranks against every home in each area.
MeasureThis homeSouth Boston 02127Suffolk County
Estimated valuepricier than$575,48614% of homes29% of homes
Price per ft²pricier than$102895% of homes79% of homes
Living areabigger than560 ft²5% of homes5% of homes
Lot sizebigger than0.18 ac95% of homes91% of homes
Year builtnewer than201896% of homes97% of homes

About 57 L St

How much is 57 L St, South Boston, MA worth?

The TopHap Estimate for 57 L St, South Boston, MA is $575,486 as of Sep 24, 2026. The likely range is $523,648 to $627,324. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 57 L St, South Boston, MA last sell?

57 L St, South Boston, MA last sold on Sep 13, 2018 for $508,000, according to the county's recorded deed.

How big is 57 L St, South Boston, MA?

57 L St, South Boston, MA has 1 bathrooms and 560 square feet of living space.

When was 57 L St, South Boston, MA built?

57 L St, South Boston, MA was built in 2018, making it 8 years old. The building has 1 story.

What schools serve 57 L St, South Boston, MA?

57 L St, South Boston, MA is assigned to Joseph P. Tynan Elementary School (elementary), rated F; Oliver Hazard Perry K-8 School (middle), rated B-; Excel High School (high), rated D-. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 57 L St, South Boston, MA compare to other homes in South Boston 02127?

Among the 11,103 homes in South Boston 02127, it is worth more than 14% of them ($575,486 against a typical $841,754), its price per square foot is higher than 95% of them ($1028 against a typical $806), it is bigger than 5% of them (560 ft² against a typical 1,200 ft²), its lot is bigger than 95% of them (0.18 ac against a typical 1,220 ft²) and it is newer than 96% of them (2018 against a typical 1905). Measured against all of Suffolk County, it is worth more than 29% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 57 L St, South Boston, MA?

The 2025 property tax bill for 57 L St, South Boston, MA was $6,608. The county assessed it at $570,600.

More homes on L St

Closest homes

More homes in South Boston 02127

Assigned schools

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