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Single Family ResidenceResidential
$349,281$284 / 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 91How 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 $96,300 on Jul 1, 1998

21 MILL ST

DUDLEY, MA 01571
3
Beds
1
Baths
1,232 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$349K
$318K low$380K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$96,300 · Jul 1, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,856 (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.$270,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$74,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$195,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$252,000

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.0.60
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
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
Mason Road Elementary School
Elementary · Grades PK–1 · 0.9 mi
M
Dudley Middle SchoolC-
Middle · Grades 5–8 · 1.3 mi
H
Shepherd Hill Regional High SchoolC+
High · Grades 9–12 · 1.5 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 Mill 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 84% of homes in Worcester County
  • Smaller than 77% of homes in Worcester County
  • Older than 82% of homes in Dudley 01571

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
$204K$767K

This home is worth more than 19% 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$349,281
CheaperTypical $437,628Pricier

Pricier than 19% of homes nearby

Price per ft²$284
CheaperTypical $279Pricier

Pricier than 54% of homes nearby

Living area1,232 ft²
SmallerTypical 1,594 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.6 ac
SmallerTypical 0.52 acBigger

Bigger than 57% of homes nearby

Year built1941
OlderTypical 1972Newer

Newer than 18% of homes nearby

How 21 Mill St ranks against every home in each area.
MeasureThis homeDudley 01571Worcester County
Estimated valuepricier than$349,28119% of homes16% of homes
Price per ft²pricier than$28454% of homes37% of homes
Living areabigger than1,232 ft²27% of homes23% of homes
Lot sizebigger than0.6 ac57% of homes57% of homes
Year builtnewer than194118% of homes28% of homes

About 21 Mill St

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

The TopHap Estimate for 21 Mill St, Dudley, MA is $349,281 as of Sep 24, 2026. The likely range is $318,461 to $380,101. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

21 Mill St, Dudley, MA last sold on Jul 1, 1998 for $96,300, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Mill St, Dudley, MA?

21 Mill St, Dudley, MA has 3 bedrooms, 1 bathrooms, 1,232 square feet of living space and a 0.60-acre lot.

When was 21 Mill St, Dudley, MA built?

21 Mill St, Dudley, MA was built in 1941, making it 85 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Mill St, Dudley, MA?

21 Mill 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 Mill St, Dudley, MA compare to other homes in Dudley 01571?

Among the 3,789 homes in Dudley 01571, it is worth more than 19% of them ($349,281 against a typical $437,628), its price per square foot is higher than 54% of them ($284 against a typical $279), it is bigger than 27% of them (1,232 ft² against a typical 1,594 ft²), its lot is bigger than 57% of them (0.6 ac against a typical 0.52 ac) and it is newer than 18% of them (1941 against a typical 1972). Measured against all of Worcester County, it is worth more than 16% 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 Mill St, Dudley, MA?

The 2025 property tax bill for 21 Mill St, Dudley, MA was $2,856. The county assessed it at $270,200.

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Assigned schools

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