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Single Family ResidenceResidential
$642,971$462 / 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 MABELLE AVE

MEDFORD, MA 02155
2
Beds
2
Baths
1,392 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.
3,200 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.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$643K
$594K low$692K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,620 (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.$638,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$311,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$327,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$616,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.07
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Roberts Elementary SchoolC
Elementary · Grades PK–5 · 0.8 mi
M
Andrews Middle SchoolC+
Middle · Grades 6–8 · 1.5 mi
H
Medford High SchoolC
High · Grades 9–12 · 1.5 mi

District: Medford School District

Neighborhood · ZIP 02155These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.61,548
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,108 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,601
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,923
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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 Mabelle Ave 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 75% of homes in Medford 02155
  • Costs less per square foot than 81% of homes in Medford 02155
  • Smaller than 70% of homes in Middlesex County
  • Has a smaller lot than 95% of homes in Middlesex County
  • Older than 74% of homes in Middlesex County

What homes are worth in Medford 02155

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

This home
$413K$1.5M

This home is worth more than 25% of homes in Medford 02155.

How it measures up in Medford 02155

The dot is this home. The mark in the middle is the typical home in Medford 02155.

Estimated value$642,971
CheaperTypical $793,389Pricier

Pricier than 25% of homes nearby

Price per ft²$462
CheaperTypical $530Pricier

Pricier than 19% of homes nearby

Living area1,392 ft²
SmallerTypical 1,719 ft²Bigger

Bigger than 33% of homes nearby

Lot size3,200 ft²
SmallerTypical 0.12 acBigger

Bigger than 15% of homes nearby

Year built1922
OlderTypical 1920Newer

Newer than 51% of homes nearby

How 21 Mabelle Ave ranks against every home in each area.
MeasureThis homeNorth MedfordMedford 02155Middlesex County
Estimated valuepricier than$642,97130% of homes25% of homes31% of homes
Price per ft²pricier than$46237% of homes19% of homes50% of homes
Living areabigger than1,392 ft²46% of homes33% of homes30% of homes
Lot sizebigger than3,200 ft²10% of homes15% of homes5% of homes
Year builtnewer than192228% of homes51% of homes26% of homes

About 21 Mabelle Ave

How much is 21 Mabelle Ave, Medford, MA worth?

The TopHap Estimate for 21 Mabelle Ave, Medford, MA is $642,971 as of Sep 24, 2026. The likely range is $593,731 to $692,211. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 Mabelle Ave, Medford, MA?

21 Mabelle Ave, Medford, MA has 2 bedrooms, 2 bathrooms, 1,392 square feet of living space and a 0.07-acre lot.

When was 21 Mabelle Ave, Medford, MA built?

21 Mabelle Ave, Medford, MA was built in 1922, making it 104 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Mabelle Ave, Medford, MA?

21 Mabelle Ave, Medford, MA is assigned to Roberts Elementary School (elementary), rated C; Andrews Middle School (middle), rated C+; Medford High School (high), rated C. All sit in Medford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mabelle Ave, Medford, MA compare to other homes in Medford 02155?

Among the 16,120 homes in Medford 02155, it is worth more than 25% of them ($642,971 against a typical $793,389), its price per square foot is higher than 19% of them ($462 against a typical $530), it is bigger than 33% of them (1,392 ft² against a typical 1,719 ft²), its lot is bigger than 15% of them (3,200 ft² against a typical 0.12 ac) and it is newer than 51% of them (1922 against a typical 1920). Measured against all of Middlesex County, it is worth more than 31% 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 Mabelle Ave, Medford, MA?

The 2025 property tax bill for 21 Mabelle Ave, Medford, MA was $5,620. The county assessed it at $638,600.

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