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CondominiumResidential
Last sold for $629,900 on Aug 27, 2020

21 HAROLD ST

MEDFORD, MA 02155
Building report
2
Beds
1
Baths
1,023 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.
3,784 ft²
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
1
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$629,900 · Aug 27, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,632 (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.$640,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$640,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$713,925

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
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Medford High SchoolC
High · Grades 9–12 · 1.1 mi
M
Andrews Middle SchoolC
Middle · Grades 6–8 · 1.6 mi
E
Columbus Elementary SchoolC
Elementary · Grades PK–5 · 1.6 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 Harold 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.

  • Smaller than 91% of homes in Medford Hillside
  • Has a smaller lot than 92% of homes in Middlesex County
  • Newer than 88% of homes in Medford Hillside

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 area1,023 ft²
SmallerTypical 1,725 ft²Bigger

Bigger than 9% of homes nearby

Lot size3,784 ft²
SmallerTypical 0.12 acBigger

Bigger than 24% of homes nearby

Year built1928
OlderTypical 1920Newer

Newer than 61% of homes nearby

How 21 Harold St ranks against every home in each area.
MeasureThis homeMedford HillsideMedford 02155Middlesex County
Living areabigger than1,023 ft²9% of homes9% of homes11% of homes
Lot sizebigger than3,784 ft²29% of homes24% of homes8% of homes
Year builtnewer than192888% of homes61% of homes30% of homes

About 21 Harold St

When did 21 Harold St, Medford, MA last sell?

21 Harold St, Medford, MA last sold on Aug 27, 2020 for $629,900, according to the county's recorded deed.

How big is 21 Harold St, Medford, MA?

21 Harold St, Medford, MA has 2 bedrooms, 1 bathrooms and 1,023 square feet of living space.

When was 21 Harold St, Medford, MA built?

21 Harold St, Medford, MA was built in 1928, making it 98 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 21 Harold St, Medford, MA?

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

How does 21 Harold St, Medford, MA compare to other homes in Medford 02155?

Among the 16,120 homes in Medford 02155, it is bigger than 9% of them (1,023 ft² against a typical 1,725 ft²), its lot is bigger than 24% of them (3,784 ft² against a typical 0.12 ac) and it is newer than 61% of them (1928 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 Harold St, Medford, MA?

The 2025 property tax bill for 21 Harold St, Medford, MA was $5,632. The county assessed it at $640,000.

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