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Single Family ResidenceResidential
$569,833$312 / 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 Aug 30, 2026
Last sold for $425,000 on Sep 28, 2020

21 ALLEN ST

RANDOLPH, MA 02368
4
Beds
1.5
Baths
1,824 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$570K
$552K low$587K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$425,000 · Sep 28, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,164 (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.$530,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$229,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$301,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$608,760

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
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.0.24
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Randolph High SchoolD
High · Grades 9–12 · 0.6 mi
E
J F Kennedy Elementary SchoolC
Elementary · Grades PK–5 · 0.7 mi
M
Randolph Community Middle SchoolD+
Middle · Grades 6–8 · 1.3 mi

District: Randolph School District

Neighborhood · ZIP 02368These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.36,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,217 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,288
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,123
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.52%

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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 Allen 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 less than 75% of homes in Norfolk County
  • Costs less per square foot than 92% of homes in Norfolk County
  • Bigger than 82% of homes in Randolph 02368
  • Has a smaller lot than 71% of homes in Randolph 02368
  • Older than 92% of homes in Randolph 02368

What homes are worth in Randolph 02368

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

This home
$267K$855K

This home is worth more than 61% of homes in Randolph 02368.

How it measures up in Randolph 02368

The dot is this home. The mark in the middle is the typical home in Randolph 02368.

Estimated value$569,833
CheaperTypical $538,173Pricier

Pricier than 61% of homes nearby

Price per ft²$312
CheaperTypical $395Pricier

Pricier than 14% of homes nearby

Living area1,824 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.25 ac
SmallerTypical 0.28 acBigger

Bigger than 29% of homes nearby

Year built1900
OlderTypical 1962Newer

Newer than 8% of homes nearby

How 21 Allen St ranks against every home in each area.
MeasureThis homeRandolph 02368Norfolk County
Estimated valuepricier than$569,83361% of homes25% of homes
Price per ft²pricier than$31214% of homes8% of homes
Living areabigger than1,824 ft²82% of homes56% of homes
Lot sizebigger than0.25 ac29% of homes34% of homes
Year builtnewer than19008% of homes10% of homes

About 21 Allen St

How much is 21 Allen St, Randolph, MA worth?

The TopHap Estimate for 21 Allen St, Randolph, MA is $569,833 as of Aug 30, 2026. The likely range is $552,347 to $587,319. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Allen St, Randolph, MA last sell?

21 Allen St, Randolph, MA last sold on Sep 28, 2020 for $425,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21 Allen St, Randolph, MA?

21 Allen St, Randolph, MA has 4 bedrooms, 1.5 bathrooms, 1,824 square feet of living space and a 0.24-acre lot.

When was 21 Allen St, Randolph, MA built?

21 Allen St, Randolph, MA was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Allen St, Randolph, MA?

21 Allen St, Randolph, MA is assigned to Randolph High School (high), rated D; J F Kennedy Elementary School (elementary), rated C; Randolph Community Middle School (middle), rated D+. All sit in Randolph School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Allen St, Randolph, MA compare to other homes in Randolph 02368?

Among the 9,442 homes in Randolph 02368, it is worth more than 61% of them ($569,833 against a typical $538,173), its price per square foot is higher than 14% of them ($312 against a typical $395), it is bigger than 82% of them (1,824 ft² against a typical 1,344 ft²), its lot is bigger than 29% of them (0.25 ac against a typical 0.28 ac) and it is newer than 8% of them (1900 against a typical 1962). Measured against all of Norfolk County, it is worth more than 25% 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 Allen St, Randolph, MA?

The 2025 property tax bill for 21 Allen St, Randolph, MA was $6,164. The county assessed it at $530,900.

More homes on Allen St

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Assigned schools

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