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CondominiumResidential
$713,797$624 / 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 92How 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

21 LOCKELAND AVE # 1

ARLINGTON, MA 02476
2
Beds
1
Baths
1,144 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.
1925
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$714K
$654K low$773K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,268 (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.$582,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$582,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$582,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
0
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Condominium
CountyMiddlesex
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

Transaction History(1)

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.

H
Arlington High SchoolA+
High · Grades 9–12 · 0.2 mi
M
Ottoson Middle SchoolA+
Middle · Grades 7–8 · 0.6 mi
E
Brackett Elementary SchoolA
Elementary · Grades KG–5 · 0.6 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 Lockeland Ave # 1 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 80% of homes in Arlington 02476
  • Costs more per square foot than 79% of homes in Middlesex County
  • Smaller than 83% of homes in Middlesex County
  • Older than 72% of homes in Middlesex County

What homes are worth in Arlington 02476

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

This home
$320K$2.2M

This home is worth more than 20% 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.

Estimated value$713,797
CheaperTypical $1,050,844Pricier

Pricier than 20% of homes nearby

Price per ft²$624
CheaperTypical $600Pricier

Pricier than 58% of homes nearby

Living area1,144 ft²
SmallerTypical 1,850 ft²Bigger

Bigger than 19% of homes nearby

Year built1925
OlderTypical 1932Newer

Newer than 34% of homes nearby

How 21 Lockeland Ave # 1 ranks against every home in each area.
MeasureThis homeArlington 02476Middlesex County
Estimated valuepricier than$713,79720% of homes41% of homes
Price per ft²pricier than$62458% of homes79% of homes
Living areabigger than1,144 ft²19% of homes17% of homes
Year builtnewer than192534% of homes28% of homes

About 21 Lockeland Ave # 1

How much is 21 Lockeland Ave # 1, Arlington, MA worth?

The TopHap Estimate for 21 Lockeland Ave # 1, Arlington, MA is $713,797 as of Sep 24, 2026. The likely range is $654,178 to $773,416. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Lockeland Ave # 1, Arlington, MA last sell?

21 Lockeland Ave # 1, Arlington, MA last sold on Mar 8, 2024, according to the county's recorded deed.

How big is 21 Lockeland Ave # 1, Arlington, MA?

21 Lockeland Ave # 1, Arlington, MA has 2 bedrooms, 1 bathrooms and 1,144 square feet of living space.

When was 21 Lockeland Ave # 1, Arlington, MA built?

21 Lockeland Ave # 1, Arlington, MA was built in 1925, making it 101 years old. The building has 1 story.

What schools serve 21 Lockeland Ave # 1, Arlington, MA?

21 Lockeland Ave # 1, Arlington, MA is assigned to Arlington High School (high), rated A+; Ottoson Middle School (middle), rated A+; Brackett Elementary School (elementary), rated A. All sit in Arlington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Lockeland Ave # 1, Arlington, MA compare to other homes in Arlington 02476?

Among the 5,972 homes in Arlington 02476, it is worth more than 20% of them ($713,797 against a typical $1,050,844), its price per square foot is higher than 58% of them ($624 against a typical $600), it is bigger than 19% of them (1,144 ft² against a typical 1,850 ft²) and it is newer than 34% of them (1925 against a typical 1932). Measured against all of Middlesex County, it is worth more than 41% 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 Lockeland Ave # 1, Arlington, MA?

The 2025 property tax bill for 21 Lockeland Ave # 1, Arlington, MA was $6,268. The county assessed it at $582,000.

More homes on Lockeland Ave # 1

More homes in Arlington 02476

Assigned schools

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