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Duplex (2 Units, Any Combination)Residential

40 DARTMOUTH ST

BOSTON, MA 02116
5
Beds
3
Baths
3,531 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.
1,335 ft²
Lot SizeThe size of the land the home sits on, from county records.
1850
Year BuiltThe year the home was originally built, according to county records.
4
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$36,509 (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.$3,152,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,156,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,996,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,113,200

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.48 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.80%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
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.1985
Lot (acres)The size of the land the home sits on, from county records.0.03
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
HeatingThe type of heating system in the home.Hot Water
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(4)

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
William Mckinley SchoolF
Elementary · Grades KG–12 · 0.1 mi

District: Boston School District

Neighborhood · ZIP 02116These 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.135
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 100.80

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
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.1.2%
PopulationHow many people live in this area.22,268
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.35,007 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$141,138
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$216,025
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

40 Dartmouth 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 94% of homes in Boston 02116
  • Has a bigger lot than 65% of homes in Boston 02116
  • Among the oldest homes in Suffolk County

How it measures up in Boston 02116

The dot is this home. The mark in the middle is the typical home in Boston 02116.

Living area3,531 ft²
SmallerTypical 1,068 ft²Bigger

Bigger than 94% of homes nearby

Lot size1,335 ft²
SmallerTypical 1,045 ft²Bigger

Bigger than 65% of homes nearby

Year built1850
OlderTypical 1899Newer

Newer than 2% of homes nearby

How 40 Dartmouth St ranks against every home in each area.
MeasureThis homeBoston 02116Suffolk County
Living areabigger than3,531 ft²94% of homes90% of homes
Lot sizebigger than1,335 ft²65% of homes35% of homes
Year builtnewer than18502% of homesalmost no homes

About 40 Dartmouth St

How big is 40 Dartmouth St, Boston, MA?

40 Dartmouth St, Boston, MA has 5 bedrooms, 3 bathrooms, 3,531 square feet of living space and a 0.03-acre lot.

When was 40 Dartmouth St, Boston, MA built?

40 Dartmouth St, Boston, MA was built in 1850, making it 176 years old. The building has 4 stories.

What schools serve 40 Dartmouth St, Boston, MA?

40 Dartmouth St, Boston, MA is assigned to William Mckinley School (elementary), rated F. All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 40 Dartmouth St, Boston, MA compare to other homes in Boston 02116?

Among the 7,520 homes in Boston 02116, it is bigger than 94% of them (3,531 ft² against a typical 1,068 ft²), its lot is bigger than 65% of them (1,335 ft² against a typical 1,045 ft²) and it is newer than 2% of them (1850 against a typical 1899). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 40 Dartmouth St, Boston, MA?

The 2025 property tax bill for 40 Dartmouth St, Boston, MA was $36,509. The county assessed it at $3,152,800.

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