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Duplex (2 Units, Any Combination)Residential
Last sold for $54,500 on Sep 9, 1977

40 DARTMOUTH ST # 42

ARLINGTON, MA 02474
5
Beds
2
Baths
2,958 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1923
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
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.$54,500 · Sep 9, 1977

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,589 (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.$1,076,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$577,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$498,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,011,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Two Family
CountyMiddlesex
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.1959
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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
Thompson Elementary SchoolA-
Elementary · Grades KG–5 · 0.2 mi
H
Arlington High SchoolA+
High · Grades 9–12 · 1.0 mi
M
Ottoson Middle SchoolA
Middle · Grades 7–8 · 1.8 mi

District: Arlington School District

Neighborhood · ZIP 02474These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
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.96%
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.5.0%
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.28,960
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,757 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$135,066
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,393
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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 # 42 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 86% of homes in Arlington 02474
  • Has a smaller lot than 88% of homes in Middlesex County
  • Older than 74% of homes in Middlesex County

How it measures up in Arlington 02474

The dot is this home. The mark in the middle is the typical home in Arlington 02474.

Living area2,958 ft²
SmallerTypical 1,984 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.1 ac
SmallerTypical 0.14 acBigger

Bigger than 14% of homes nearby

Year built1923
OlderTypical 1933Newer

Newer than 27% of homes nearby

How 40 Dartmouth St # 42 ranks against every home in each area.
MeasureThis homeArlington 02474Middlesex County
Living areabigger than2,958 ft²86% of homes85% of homes
Lot sizebigger than0.1 ac14% of homes12% of homes
Year builtnewer than192327% of homes26% of homes

About 40 Dartmouth St # 42

When did 40 Dartmouth St # 42, Arlington, MA last sell?

40 Dartmouth St # 42, Arlington, MA last sold on Sep 9, 1977 for $54,500, according to the county's recorded deed.

How big is 40 Dartmouth St # 42, Arlington, MA?

40 Dartmouth St # 42, Arlington, MA has 5 bedrooms, 2 bathrooms, 2,958 square feet of living space and a 0.10-acre lot.

When was 40 Dartmouth St # 42, Arlington, MA built?

40 Dartmouth St # 42, Arlington, MA was built in 1923, making it 103 years old. It is a two family home. The building has 2 stories.

What schools serve 40 Dartmouth St # 42, Arlington, MA?

40 Dartmouth St # 42, Arlington, MA is assigned to Thompson Elementary School (elementary), rated A-; Arlington High School (high), rated A+; Ottoson Middle School (middle), rated A. All sit in Arlington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 40 Dartmouth St # 42, Arlington, MA compare to other homes in Arlington 02474?

Among the 8,570 homes in Arlington 02474, it is bigger than 86% of them (2,958 ft² against a typical 1,984 ft²), its lot is bigger than 14% of them (0.1 ac against a typical 0.14 ac) and it is newer than 27% of them (1923 against a typical 1933). 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 # 42, Arlington, MA?

The 2025 property tax bill for 40 Dartmouth St # 42, Arlington, MA was $11,589. The county assessed it at $1,076,000.

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