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Vacant Land - Unspecified ImprovementVacant Land

21 ADDISON ST

ARLINGTON, MA 02476
6
Beds
4 / 2
Baths
5,086 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.
1,912 ft²
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
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.$299 (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.$27,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,577,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Vacant Land - Unspecified Improvement
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.04
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.Forced Air With Air Conditioning
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.

H
Arlington High SchoolA+
High · Grades 9–12 · 0.6 mi
E
Thompson Elementary SchoolA-
Elementary · Grades KG–5 · 0.8 mi
M
Ottoson Middle SchoolA
Middle · Grades 7–8 · 1.2 mi

District: Arlington School District

Neighborhood · ZIP 02476These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
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.18,178
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,391 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,237
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$192,900
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 Addison 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.

  • Among the largest homes in Arlington 02476
  • Among the smallest lots in Arlington 02476
  • Older than 76% of homes in Arlington 02476

How it measures up in Arlington 02476

The dot is this home. The mark in the middle is the typical home in Arlington 02476.

Living area5,086 ft²
SmallerTypical 1,840 ft²Bigger

Bigger than almost all homes nearby

Lot size1,912 ft²
SmallerTypical 0.15 acBigger

Smaller than almost all homes nearby

Year built1922
OlderTypical 1932Newer

Newer than 24% of homes nearby

How 21 Addison St ranks against every home in each area.
MeasureThis homeArlington 02476Middlesex County
Living areabigger than5,086 ft²almost all homes98% of homes
Lot sizebigger than1,912 ft²almost no homes2% of homes
Year builtnewer than192224% of homes26% of homes

About 21 Addison St

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

21 Addison St, Arlington, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Addison St, Arlington, MA?

21 Addison St, Arlington, MA has 6 bedrooms, 4 bathrooms, 5,086 square feet of living space and a 0.04-acre lot.

When was 21 Addison St, Arlington, MA built?

21 Addison St, Arlington, MA was built in 1922, making it 104 years old. The building has 2 stories.

What schools serve 21 Addison St, Arlington, MA?

21 Addison St, Arlington, MA is assigned to Arlington High School (high), rated A+; Thompson Elementary School (elementary), 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 Addison St, Arlington, MA compare to other homes in Arlington 02476?

Among the 5,972 homes in Arlington 02476, it is bigger than almost all of them (5,086 ft² against a typical 1,840 ft²), its lot is bigger than almost none of them (1,912 ft² against a typical 0.15 ac) and it is newer than 24% of them (1922 against a typical 1932). 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 Addison St, Arlington, MA?

The 2025 property tax bill for 21 Addison St, Arlington, MA was $299. The county assessed it at $27,800.

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