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CondominiumResidential
$875,431$768 / 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 96How 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 $639,000 on Aug 25, 2016

557 E 4TH ST

SOUTH BOSTON, MA 02127
Building report
2
Beds
2
Baths
1,140 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.
1,140 ft²
Lot SizeThe size of the land the home sits on, from county records.
1899
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$875K
$844K low$907K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$639,000 · Aug 25, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,912 (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.$769,600 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$769,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$965,675

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
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.2007
Lot (acres)The size of the land the home sits on, from county records.0.03
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

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.

H
Excel High SchoolD-
High · Grades 9–12 · 0.2 mi
E
Joseph P. Tynan Elementary SchoolF
Elementary · Grades PK–5 · 0.2 mi
M
James Condon K-8 SchoolF
Middle · Grades PK–8 · 0.6 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

557 E 4th 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 more than 69% of homes in Suffolk County
  • Smaller than 65% of homes in Suffolk County
  • Has a smaller lot than 70% of homes in Suffolk County
  • Older than 81% 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 55% 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$875,431
CheaperTypical $841,754Pricier

Pricier than 55% of homes nearby

Price per ft²$768
CheaperTypical $806Pricier

Pricier than 37% of homes nearby

Living area1,140 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 46% of homes nearby

Lot size1,140 ft²
SmallerTypical 1,220 ft²Bigger

Bigger than 46% of homes nearby

Year built1899
OlderTypical 1905Newer

Newer than 31% of homes nearby

How 557 E 4th St ranks against every home in each area.
MeasureThis homeSouth Boston 02127Suffolk County
Estimated valuepricier than$875,43155% of homes69% of homes
Price per ft²pricier than$76837% of homes64% of homes
Living areabigger than1,140 ft²46% of homes35% of homes
Lot sizebigger than1,140 ft²46% of homes30% of homes
Year builtnewer than189931% of homes19% of homes

About 557 E 4th St

How much is 557 E 4th St, South Boston, MA worth?

The TopHap Estimate for 557 E 4th St, South Boston, MA is $875,431 as of Sep 24, 2026. The likely range is $844,042 to $906,820. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 557 E 4th St, South Boston, MA last sell?

557 E 4th St, South Boston, MA last sold on Aug 25, 2016 for $639,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 557 E 4th St, South Boston, MA?

557 E 4th St, South Boston, MA has 2 bedrooms, 2 bathrooms, 1,140 square feet of living space and a 0.03-acre lot.

When was 557 E 4th St, South Boston, MA built?

557 E 4th St, South Boston, MA was built in 1899, making it 127 years old. The building has 1 story.

What schools serve 557 E 4th St, South Boston, MA?

557 E 4th St, South Boston, MA is assigned to Excel High School (high), rated D-; Joseph P. Tynan Elementary School (elementary), rated F; 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 557 E 4th 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 55% of them ($875,431 against a typical $841,754), its price per square foot is higher than 37% of them ($768 against a typical $806), it is bigger than 46% of them (1,140 ft² against a typical 1,200 ft²), its lot is bigger than 46% of them (1,140 ft² against a typical 1,220 ft²) and it is newer than 31% of them (1899 against a typical 1905). Measured against all of Suffolk County, it is worth more than 69% 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 557 E 4th St, South Boston, MA?

The 2025 property tax bill for 557 E 4th St, South Boston, MA was $8,912. The county assessed it at $769,600.

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