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CondominiumResidential
$726,627$685 / 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 93How 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 $740,000 on Nov 4, 2024

21 BOWDOIN ST

ARLINGTON, MA 02474
2
Beds
1
Baths
1,060 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.
1916
Year BuiltThe year the home was originally built, according to county records.
2
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

$727K
$679K low$775K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$740,000 · Nov 4, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,509 (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.$697,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$697,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$699,105

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Thompson Elementary SchoolA-
Elementary · Grades KG–5 · 0.2 mi
H
Arlington High SchoolA+
High · Grades 9–12 · 1.1 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

21 Bowdoin 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 82% of homes in Arlington 02474
  • Costs more per square foot than 84% of homes in Middlesex County
  • Smaller than 87% of homes in Arlington 02474
  • Older than 82% of homes in Arlington 02474

What homes are worth in Arlington 02474

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

This home
$334K$2.1M

This home is worth more than 18% of homes in Arlington 02474.

How it measures up in Arlington 02474

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

Estimated value$726,627
CheaperTypical $1,028,758Pricier

Pricier than 18% of homes nearby

Price per ft²$685
CheaperTypical $590Pricier

Pricier than 80% of homes nearby

Living area1,060 ft²
SmallerTypical 1,980 ft²Bigger

Bigger than 13% of homes nearby

Year built1916
OlderTypical 1933Newer

Newer than 18% of homes nearby

How 21 Bowdoin St ranks against every home in each area.
MeasureThis homeArlington 02474Middlesex County
Estimated valuepricier than$726,62718% of homes42% of homes
Price per ft²pricier than$68580% of homes84% of homes
Living areabigger than1,060 ft²13% of homes13% of homes
Year builtnewer than191618% of homes21% of homes

About 21 Bowdoin St

How much is 21 Bowdoin St, Arlington, MA worth?

The TopHap Estimate for 21 Bowdoin St, Arlington, MA is $726,627 as of Sep 24, 2026. The likely range is $678,749 to $774,505. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Bowdoin St, Arlington, MA last sell?

21 Bowdoin St, Arlington, MA last sold on Nov 4, 2024 for $740,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21 Bowdoin St, Arlington, MA?

21 Bowdoin St, Arlington, MA has 2 bedrooms, 1 bathrooms and 1,060 square feet of living space.

When was 21 Bowdoin St, Arlington, MA built?

21 Bowdoin St, Arlington, MA was built in 1916, making it 110 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 21 Bowdoin St, Arlington, MA?

21 Bowdoin St, 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 21 Bowdoin St, Arlington, MA compare to other homes in Arlington 02474?

Among the 8,570 homes in Arlington 02474, it is worth more than 18% of them ($726,627 against a typical $1,028,758), its price per square foot is higher than 80% of them ($685 against a typical $590), it is bigger than 13% of them (1,060 ft² against a typical 1,980 ft²) and it is newer than 18% of them (1916 against a typical 1933). Measured against all of Middlesex County, it is worth more than 42% 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 21 Bowdoin St, Arlington, MA?

The 2025 property tax bill for 21 Bowdoin St, Arlington, MA was $7,509. The county assessed it at $697,200.

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