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Single Family ResidenceResidential
$726,140$405 / 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 97How 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
Last sold for $51,900 on Jan 1, 1980

21 PROSPECT ST

MALDEN, MA 02148
4
Beds
1.5
Baths
1,795 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$726K
$703K low$749K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$51,900 · Jan 1, 1980

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,208 (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.$720,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$354,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$366,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$678,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$770,830

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.15
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.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
BeebeC
Elementary · Grades KG–8 · 0.1 mi
H
Malden High SchoolC-
High · Grades 9–12 · 0.9 mi

District: Malden School District

Neighborhood · ZIP 02148These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.84

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.67,427
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13,281 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,299
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,235
Average tempThe average temperature here across a full year.50°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 Prospect 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.

  • Worth more than 70% of homes in Malden 02148
  • Costs less per square foot than 75% of homes in Malden 02148
  • Has a bigger lot than 75% of homes in Malden 02148
  • Older than 95% of homes in Middlesex County

What homes are worth in Malden 02148

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

This home
$309K$1M

This home is worth more than 70% of homes in Malden 02148.

How it measures up in Malden 02148

The dot is this home. The mark in the middle is the typical home in Malden 02148.

Estimated value$726,140
CheaperTypical $653,505Pricier

Pricier than 70% of homes nearby

Price per ft²$405
CheaperTypical $458Pricier

Pricier than 25% of homes nearby

Living area1,795 ft²
SmallerTypical 1,732 ft²Bigger

Bigger than 53% of homes nearby

Lot size0.15 ac
SmallerTypical 0.11 acBigger

Bigger than 75% of homes nearby

Year built1880
OlderTypical 1920Newer

Newer than 7% of homes nearby

How 21 Prospect St ranks against every home in each area.
MeasureThis homeWest EndMalden 02148Middlesex County
Estimated valuepricier than$726,14064% of homes70% of homes43% of homes
Price per ft²pricier than$40527% of homes25% of homes34% of homes
Living areabigger than1,795 ft²41% of homes53% of homes48% of homes
Lot sizebigger than0.15 ac73% of homes75% of homes26% of homes
Year builtnewer than188010% of homes7% of homes5% of homes

About 21 Prospect St

How much is 21 Prospect St, Malden, MA worth?

The TopHap Estimate for 21 Prospect St, Malden, MA is $726,140 as of Sep 24, 2026. The likely range is $702,884 to $749,396. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Prospect St, Malden, MA last sell?

21 Prospect St, Malden, MA last sold on Jan 1, 1980 for $51,900, according to the county's recorded deed.

How big is 21 Prospect St, Malden, MA?

21 Prospect St, Malden, MA has 4 bedrooms, 1.5 bathrooms, 1,795 square feet of living space and a 0.15-acre lot.

When was 21 Prospect St, Malden, MA built?

21 Prospect St, Malden, MA was built in 1880, making it 146 years old. The building has 2 stories.

What schools serve 21 Prospect St, Malden, MA?

21 Prospect St, Malden, MA is assigned to Beebe (elementary), rated C; Malden High School (high), rated C-. All sit in Malden School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Prospect St, Malden, MA compare to other homes in Malden 02148?

Among the 12,237 homes in Malden 02148, it is worth more than 70% of them ($726,140 against a typical $653,505), its price per square foot is higher than 25% of them ($405 against a typical $458), it is bigger than 53% of them (1,795 ft² against a typical 1,732 ft²), its lot is bigger than 75% of them (0.15 ac against a typical 0.11 ac) and it is newer than 7% of them (1880 against a typical 1920). Measured against all of Middlesex County, it is worth more than 43% 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 Prospect St, Malden, MA?

The 2026 property tax bill for 21 Prospect St, Malden, MA was $8,208. The county assessed it at $720,000.

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Assigned schools

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