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Duplex (2 Units, Any Combination)Residential

21 3RD ST

MEDFORD, MA 02155
4
Beds
2
Baths
2,286 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1938
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,947 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$920,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$367,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$552,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$880,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$931,939

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.54 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.72%
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.14
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(4)

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
McGlynn Elementary SchoolC-
Elementary · Grades PK–5 · 1.0 mi
M
McGlynn Middle SchoolD+
Middle · Grades 6–8 · 1.0 mi
H
Medford High SchoolC
High · Grades 9–12 · 2.8 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 3rd 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.

  • Bigger than 82% of homes in Wellington
  • Has a smaller lot than 79% of homes in Middlesex County
  • Newer than 68% 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.

Living area2,286 ft²
SmallerTypical 1,716 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.14 ac
SmallerTypical 0.12 acBigger

Bigger than 61% of homes nearby

Year built1938
OlderTypical 1920Newer

Newer than 68% of homes nearby

How 21 3rd St ranks against every home in each area.
MeasureThis homeWellingtonMedford 02155Middlesex County
Living areabigger than2,286 ft²82% of homes72% of homes67% of homes
Lot sizebigger than0.14 ac59% of homes61% of homes21% of homes
Year builtnewer than193833% of homes68% of homes35% of homes

About 21 3rd St

When did 21 3rd St, Medford, MA last sell?

21 3rd St, Medford, MA last sold on Oct 3, 2018, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 3rd St, Medford, MA?

21 3rd St, Medford, MA has 4 bedrooms, 2 bathrooms, 2,286 square feet of living space and a 0.14-acre lot.

When was 21 3rd St, Medford, MA built?

21 3rd St, Medford, MA was built in 1938, making it 88 years old. It is a duplex single home. The building has 2 stories.

What schools serve 21 3rd St, Medford, MA?

21 3rd St, Medford, MA is assigned to McGlynn Elementary School (elementary), rated C-; McGlynn Middle School (middle), rated D+; 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 3rd St, Medford, MA compare to other homes in Medford 02155?

Among the 16,121 homes in Medford 02155, it is bigger than 72% of them (2,286 ft² against a typical 1,716 ft²), its lot is bigger than 61% of them (0.14 ac against a typical 0.12 ac) and it is newer than 68% of them (1938 against a typical 1920). 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 3rd St, Medford, MA?

The 2026 property tax bill for 21 3rd St, Medford, MA was $7,947. The county assessed it at $920,800.

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