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Single Family ResidenceResidential
$378,883$397 / 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 $175,000 on Dec 12, 2003

21 HIGHLAND AVE

CHARLTON, MA 01507
2
Beds
1
Baths
954 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$379K
$367K low$391K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,000 · Dec 12, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,585 (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.$327,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$103,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$224,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$314,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$338,798

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
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.0.29
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.Steam
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(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
Charlton Elementary School
Elementary · Grades PK–1 · 2.1 mi
M
Charlton Middle SchoolC
Middle · Grades 5–8 · 3.2 mi
H
Shepherd Hill Regional High SchoolC
High · Grades 9–12 · 8.2 mi

District: Dudley-Charlton Regional School District

Neighborhood · ZIP 01507These 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.60
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 100.54

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.23%
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.1.3%
PopulationHow many people live in this area.13,647
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.312 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$119,904
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,481
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

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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 Highland Ave 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 78% of homes in Charlton 01507
  • Costs more per square foot than 91% of homes in Charlton 01507
  • Smaller than 94% of homes in Worcester County
  • Has a smaller lot than 91% of homes in Charlton 01507
  • Older than 92% of homes in Charlton 01507

What homes are worth in Charlton 01507

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

This home
$247K$849K

This home is worth more than 22% of homes in Charlton 01507.

How it measures up in Charlton 01507

The dot is this home. The mark in the middle is the typical home in Charlton 01507.

Estimated value$378,883
CheaperTypical $501,248Pricier

Pricier than 22% of homes nearby

Price per ft²$397
CheaperTypical $281Pricier

Pricier than 91% of homes nearby

Living area954 ft²
SmallerTypical 1,795 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.29 ac
SmallerTypical 1.27 acBigger

Bigger than 9% of homes nearby

Year built1935
OlderTypical 1987Newer

Newer than 8% of homes nearby

How 21 Highland Ave ranks against every home in each area.
MeasureThis homeCharlton 01507Worcester County
Estimated valuepricier than$378,88322% of homes23% of homes
Price per ft²pricier than$39791% of homes88% of homes
Living areabigger than954 ft²8% of homes6% of homes
Lot sizebigger than0.29 ac9% of homes31% of homes
Year builtnewer than19358% of homes25% of homes

About 21 Highland Ave

How much is 21 Highland Ave, Charlton, MA worth?

The TopHap Estimate for 21 Highland Ave, Charlton, MA is $378,883 as of Sep 24, 2026. The likely range is $366,617 to $391,149. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Highland Ave, Charlton, MA last sell?

21 Highland Ave, Charlton, MA last sold on Dec 12, 2003 for $175,000, according to the county's recorded deed.

How big is 21 Highland Ave, Charlton, MA?

21 Highland Ave, Charlton, MA has 2 bedrooms, 1 bathrooms, 954 square feet of living space and a 0.29-acre lot.

When was 21 Highland Ave, Charlton, MA built?

21 Highland Ave, Charlton, MA was built in 1935, making it 91 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 Highland Ave, Charlton, MA?

21 Highland Ave, Charlton, MA is assigned to Charlton Elementary School (elementary); Charlton Middle School (middle), rated C; Shepherd Hill Regional High School (high), rated C. All sit in Dudley-Charlton Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Highland Ave, Charlton, MA compare to other homes in Charlton 01507?

Among the 4,633 homes in Charlton 01507, it is worth more than 22% of them ($378,883 against a typical $501,248), its price per square foot is higher than 91% of them ($397 against a typical $281), it is bigger than 8% of them (954 ft² against a typical 1,795 ft²), its lot is bigger than 9% of them (0.29 ac against a typical 1.27 ac) and it is newer than 8% of them (1935 against a typical 1987). Measured against all of Worcester County, it is worth more than 23% 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 Highland Ave, Charlton, MA?

The 2026 property tax bill for 21 Highland Ave, Charlton, MA was $3,585. The county assessed it at $327,700.

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