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CondominiumResidential
$712,635$281 / 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 94How 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 $573,000 on Jun 15, 2018

21 POWDER HILL WAY

WESTBOROUGH, MA 01581
3
Beds
4
Baths
2,535 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.
39.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
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

$713K
$669K low$756K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$573,000 · Jun 15, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,800 (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.$663,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$663,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$758,100

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.187 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.39.14
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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(3)

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.

M
Sarah W. Gibbons Middle SchoolA
Middle · Grades 7–8 · 1.6 mi
E
J. Harding Armstrong Elementary SchoolA-
Elementary · Grades KG–3 · 1.6 mi
H
Westborough High SchoolA
High · Grades 9–12 · 2.2 mi

District: Westborough School District

Neighborhood · ZIP 01581These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.21,880
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,023 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,510
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$171,995
Average tempThe average temperature here across a full year.48°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.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 Powder Hill Way 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 84% of homes in Worcester County
  • Costs less per square foot than 96% of homes in Westborough 01581
  • Bigger than 81% of homes in Worcester County
  • Among the largest lots in Worcester County
  • Newer than 74% of homes in Worcester County

What homes are worth in Westborough 01581

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

This home
$263K$1.6M

This home is worth more than 51% of homes in Westborough 01581.

How it measures up in Westborough 01581

The dot is this home. The mark in the middle is the typical home in Westborough 01581.

Estimated value$712,635
CheaperTypical $704,198Pricier

Pricier than 51% of homes nearby

Price per ft²$281
CheaperTypical $382Pricier

Pricier than 4% of homes nearby

Living area2,535 ft²
SmallerTypical 1,940 ft²Bigger

Bigger than 71% of homes nearby

Lot size39.14 ac
SmallerTypical 0.66 acBigger

Bigger than 97% of homes nearby

Year built1991
OlderTypical 1977Newer

Newer than 64% of homes nearby

How 21 Powder Hill Way ranks against every home in each area.
MeasureThis homeWestborough 01581Worcester County
Estimated valuepricier than$712,63551% of homes84% of homes
Price per ft²pricier than$2814% of homes36% of homes
Living areabigger than2,535 ft²71% of homes81% of homes
Lot sizebigger than39.14 ac97% of homesalmost all homes
Year builtnewer than199164% of homes74% of homes

About 21 Powder Hill Way

How much is 21 Powder Hill Way, Westborough, MA worth?

The TopHap Estimate for 21 Powder Hill Way, Westborough, MA is $712,635 as of Aug 30, 2026. The likely range is $669,241 to $756,029. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Powder Hill Way, Westborough, MA last sell?

21 Powder Hill Way, Westborough, MA last sold on Jun 15, 2018 for $573,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Powder Hill Way, Westborough, MA?

21 Powder Hill Way, Westborough, MA has 3 bedrooms, 4 bathrooms, 2,535 square feet of living space and a 39.14-acre lot.

When was 21 Powder Hill Way, Westborough, MA built?

21 Powder Hill Way, Westborough, MA was built in 1991, making it 35 years old. The building has 2 stories.

What schools serve 21 Powder Hill Way, Westborough, MA?

21 Powder Hill Way, Westborough, MA is assigned to Sarah W. Gibbons Middle School (middle), rated A; J. Harding Armstrong Elementary School (elementary), rated A-; Westborough High School (high), rated A. All sit in Westborough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Powder Hill Way, Westborough, MA compare to other homes in Westborough 01581?

Among the 5,696 homes in Westborough 01581, it is worth more than 51% of them ($712,635 against a typical $704,198), its price per square foot is higher than 4% of them ($281 against a typical $382), it is bigger than 71% of them (2,535 ft² against a typical 1,940 ft²), its lot is bigger than 97% of them (39.14 ac against a typical 0.66 ac) and it is newer than 64% of them (1991 against a typical 1977). Measured against all of Worcester County, it is worth more than 84% 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 Powder Hill Way, Westborough, MA?

The 2025 property tax bill for 21 Powder Hill Way, Westborough, MA was $10,800. The county assessed it at $663,000.

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