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Single Family ResidenceResidential
$1,242,360$653 / 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 87How 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 $242,000 on Apr 14, 1987

21 CLARENDON ST

NEWTONVILLE, MA 02460
3
Beds
2
Baths
1,904 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.
1955
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

$1.2M
$1.1M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$242,000 · Apr 14, 1987

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,973 (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.$1,119,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$957,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$162,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,529,215

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.17 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Concrete
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

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.

E
Cabot Elementary SchoolA
Elementary · Grades KG–5 · 0.1 mi
H
Newton North High SchoolA+
High · Grades 9–12 · 0.5 mi
M
Bigelow Middle SchoolA
Middle · Grades 6–8 · 1.0 mi

District: Newton School District

Neighborhood · ZIP 02460These 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.68
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.8,580
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,537 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$157,605
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$203,173
Average tempThe average temperature here across a full year.49°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%

Owner Tools

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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 Clarendon 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 82% of homes in Middlesex County
  • Costs more per square foot than 82% of homes in Middlesex County
  • Smaller than 71% of homes in Newtonville
  • Has a smaller lot than 87% of homes in Newtonville
  • Newer than 81% of homes in Newtonville

What homes are worth in Newtonville 02460

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

This home
$442K$3.3M

This home is worth more than 45% of homes in Newtonville 02460.

How it measures up in Newtonville 02460

The dot is this home. The mark in the middle is the typical home in Newtonville 02460.

Estimated value$1,242,360
CheaperTypical $1,296,690Pricier

Pricier than 45% of homes nearby

Price per ft²$653
CheaperTypical $656Pricier

Pricier than 48% of homes nearby

Living area1,904 ft²
SmallerTypical 2,197 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.14 ac
SmallerTypical 0.2 acBigger

Bigger than 17% of homes nearby

Year built1955
OlderTypical 1925Newer

Newer than 80% of homes nearby

How 21 Clarendon St ranks against every home in each area.
MeasureThis homeNewtonvilleNewtonville 02460Middlesex County
Estimated valuepricier than$1,242,36035% of homes45% of homes82% of homes
Price per ft²pricier than$65345% of homes48% of homes82% of homes
Living areabigger than1,904 ft²29% of homes37% of homes53% of homes
Lot sizebigger than0.14 ac13% of homes17% of homes22% of homes
Year builtnewer than195581% of homes80% of homes47% of homes

About 21 Clarendon St

How much is 21 Clarendon St, Newtonville, MA worth?

The TopHap Estimate for 21 Clarendon St, Newtonville, MA is $1,242,360 as of Sep 24, 2026. The likely range is $1,083,929 to $1,400,791. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Clarendon St, Newtonville, MA last sell?

21 Clarendon St, Newtonville, MA last sold on Apr 14, 1987 for $242,000, according to the county's recorded deed.

How big is 21 Clarendon St, Newtonville, MA?

21 Clarendon St, Newtonville, MA has 3 bedrooms, 2 bathrooms, 1,904 square feet of living space and a 0.14-acre lot.

When was 21 Clarendon St, Newtonville, MA built?

21 Clarendon St, Newtonville, MA was built in 1955, making it 71 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 Clarendon St, Newtonville, MA?

21 Clarendon St, Newtonville, MA is assigned to Cabot Elementary School (elementary), rated A; Newton North High School (high), rated A+; Bigelow Middle School (middle), rated A. All sit in Newton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Clarendon St, Newtonville, MA compare to other homes in Newtonville 02460?

Among the 2,653 homes in Newtonville 02460, it is worth more than 45% of them ($1,242,360 against a typical $1,296,690), its price per square foot is higher than 48% of them ($653 against a typical $656), it is bigger than 37% of them (1,904 ft² against a typical 2,197 ft²), its lot is bigger than 17% of them (0.14 ac against a typical 0.2 ac) and it is newer than 80% of them (1955 against a typical 1925). Measured against all of Middlesex County, it is worth more than 82% 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 Clarendon St, Newtonville, MA?

The 2025 property tax bill for 21 Clarendon St, Newtonville, MA was $10,973. The county assessed it at $1,119,700.

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