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Single Family ResidenceResidential
$1,284,847$1,076 / 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 81How 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 $422,000 on Nov 30, 2011

4 FOSTER ST

BOSTON, MA 02109
2
Beds
3 / 1
Baths
1,194 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.
473 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.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.3M
$1M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$422,000 · Nov 30, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,909 (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.$1,201,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$366,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$834,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,003,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.2012
Lot (acres)The size of the land the home sits on, from county records.0.01
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
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(3)

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
Eliot K-8 SchoolA-
Elementary · Grades PK–8 · 0.1 mi
H
Charlestown High SchoolD+
High · Grades 9–12 · 0.9 mi

District: Boston School District

Neighborhood · ZIP 02109These 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.151
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.77

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.4,605
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.16,022 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$144,286
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,889
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

4 Foster 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 86% of homes in Suffolk County
  • Costs more per square foot than 82% of homes in Suffolk County
  • Bigger than 66% of homes in North End
  • Has a smaller lot than 97% of homes in Boston 02109
  • Newer than 70% of homes in North End

What homes are worth in Boston 02109

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

This home
$490K$3.9M

This home is worth more than 66% of homes in Boston 02109.

How it measures up in Boston 02109

The dot is this home. The mark in the middle is the typical home in Boston 02109.

Estimated value$1,284,847
CheaperTypical $1,003,993Pricier

Pricier than 66% of homes nearby

Price per ft²$1076
CheaperTypical $1118Pricier

Pricier than 41% of homes nearby

Living area1,194 ft²
SmallerTypical 1,039 ft²Bigger

Bigger than 62% of homes nearby

Lot size473 ft²
SmallerTypical 1,002 ft²Bigger

Bigger than 3% of homes nearby

Year built1910
OlderTypical 1900Newer

Newer than 60% of homes nearby

How 4 Foster St ranks against every home in each area.
MeasureThis homeNorth EndBoston 02109Suffolk County
Estimated valuepricier than$1,284,84776% of homes66% of homes86% of homes
Price per ft²pricier than$107645% of homes41% of homes82% of homes
Living areabigger than1,194 ft²66% of homes62% of homes38% of homes
Lot sizebigger than473 ft²7% of homes3% of homes3% of homes
Year builtnewer than191070% of homes60% of homes45% of homes

About 4 Foster St

How much is 4 Foster St, Boston, MA worth?

The TopHap Estimate for 4 Foster St, Boston, MA is $1,284,847 as of Sep 24, 2026. The likely range is $1,043,793 to $1,525,901. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Foster St, Boston, MA last sell?

4 Foster St, Boston, MA last sold on Nov 30, 2011 for $422,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4 Foster St, Boston, MA?

4 Foster St, Boston, MA has 2 bedrooms, 3 bathrooms, 1,194 square feet of living space and a 0.01-acre lot.

When was 4 Foster St, Boston, MA built?

4 Foster St, Boston, MA was built in 1910, making it 116 years old. The building has 3 stories.

What schools serve 4 Foster St, Boston, MA?

4 Foster St, Boston, MA is assigned to Eliot K-8 School (elementary), rated A-; Charlestown 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 4 Foster St, Boston, MA compare to other homes in Boston 02109?

Among the 1,333 homes in Boston 02109, it is worth more than 66% of them ($1,284,847 against a typical $1,003,993), its price per square foot is higher than 41% of them ($1076 against a typical $1118), it is bigger than 62% of them (1,194 ft² against a typical 1,039 ft²), its lot is bigger than 3% of them (473 ft² against a typical 1,002 ft²) and it is newer than 60% of them (1910 against a typical 1900). Measured against all of Suffolk County, it is worth more than 86% 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 4 Foster St, Boston, MA?

The 2025 property tax bill for 4 Foster St, Boston, MA was $13,909. The county assessed it at $1,201,100.

More homes on Foster St

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