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Single Family ResidenceResidential
$528,989$273 / 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 90How 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 $6,000 on Dec 28, 1979

21 SCHOOL ST

DUDLEY, MA 01571
4
Beds
2.5
Baths
1,940 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.
4.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
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

$529K
$478K low$580K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$6,000 · Dec 28, 1979

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,430 (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.$440,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$104,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$335,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$429,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$453,787

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.Colonial
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.4.14
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

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

E
Mason Road Elementary School
Elementary · Grades PK–1 · 1.3 mi
M
Dudley Middle SchoolC
Middle · Grades 5–8 · 1.5 mi
H
Shepherd Hill Regional High SchoolC
High · Grades 9–12 · 1.7 mi

District: Dudley-Charlton Regional School District

Neighborhood · ZIP 01571These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.58

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
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.12,092
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.554 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,706
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,557
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 School 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 73% of homes in Dudley 01571
  • Costs less per square foot than 69% of homes in Worcester County
  • Bigger than 65% of homes in Dudley 01571
  • Has a bigger lot than 95% of homes in Dudley 01571
  • Newer than 75% of homes in Worcester County

What homes are worth in Dudley 01571

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

This home
$197K$751K

This home is worth more than 73% of homes in Dudley 01571.

How it measures up in Dudley 01571

The dot is this home. The mark in the middle is the typical home in Dudley 01571.

Estimated value$528,989
CheaperTypical $437,494Pricier

Pricier than 73% of homes nearby

Price per ft²$273
CheaperTypical $280Pricier

Pricier than 45% of homes nearby

Living area1,940 ft²
SmallerTypical 1,597 ft²Bigger

Bigger than 65% of homes nearby

Lot size4.14 ac
SmallerTypical 0.53 acBigger

Bigger than 95% of homes nearby

Year built1992
OlderTypical 1972Newer

Newer than 73% of homes nearby

How 21 School St ranks against every home in each area.
MeasureThis homeDudley 01571Worcester County
Estimated valuepricier than$528,98973% of homes60% of homes
Price per ft²pricier than$27345% of homes31% of homes
Living areabigger than1,940 ft²65% of homes61% of homes
Lot sizebigger than4.14 ac95% of homes90% of homes
Year builtnewer than199273% of homes75% of homes

About 21 School St

How much is 21 School St, Dudley, MA worth?

The TopHap Estimate for 21 School St, Dudley, MA is $528,989 as of Sep 24, 2026. The likely range is $478,447 to $579,531. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 School St, Dudley, MA last sell?

21 School St, Dudley, MA last sold on Dec 28, 1979 for $6,000, according to the county's recorded deed.

How big is 21 School St, Dudley, MA?

21 School St, Dudley, MA has 4 bedrooms, 2.5 bathrooms, 1,940 square feet of living space and a 4.14-acre lot.

When was 21 School St, Dudley, MA built?

21 School St, Dudley, MA was built in 1992, making it 34 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 School St, Dudley, MA?

21 School St, Dudley, MA is assigned to Mason Road Elementary School (elementary); Dudley 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 School St, Dudley, MA compare to other homes in Dudley 01571?

Among the 3,789 homes in Dudley 01571, it is worth more than 73% of them ($528,989 against a typical $437,494), its price per square foot is higher than 45% of them ($273 against a typical $280), it is bigger than 65% of them (1,940 ft² against a typical 1,597 ft²), its lot is bigger than 95% of them (4.14 ac against a typical 0.53 ac) and it is newer than 73% of them (1992 against a typical 1972). Measured against all of Worcester County, it is worth more than 60% 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 School St, Dudley, MA?

The 2026 property tax bill for 21 School St, Dudley, MA was $4,430. The county assessed it at $440,400.

More homes on School St

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Assigned schools

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