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Single Family ResidenceResidential
$650,000$521 / 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 95How 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 $250,000 on Aug 25, 1999

66 SUMMER ST

WESTBOROUGH, MA 01581
3
Beds
2.5
Baths
1,248 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.
1.66 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$650K
$621K low$679K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · Aug 25, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,232 (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.$642,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$331,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$310,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$621,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$610,914

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.Split Level
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.1.66
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(10)

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
J. Harding Armstrong Elementary SchoolA-
Elementary · Grades KG–3 · 0.3 mi
M
Sarah W. Gibbons Middle SchoolA+
Middle · Grades 7–8 · 0.4 mi
H
Westborough High SchoolA+
High · Grades 9–12 · 0.7 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

66 Summer 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 77% of homes in Worcester County
  • Costs more per square foot than 98% of homes in Worcester County
  • Smaller than 79% of homes in Westborough 01581
  • Has a bigger lot than 79% of homes in Worcester County
  • Newer than 82% 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
$262K$1.5M

This home is worth more than 43% 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$650,000
CheaperTypical $698,650Pricier

Pricier than 43% of homes nearby

Price per ft²$521
CheaperTypical $375Pricier

Pricier than 97% of homes nearby

Living area1,248 ft²
SmallerTypical 1,940 ft²Bigger

Bigger than 21% of homes nearby

Lot size1.66 ac
SmallerTypical 0.66 acBigger

Bigger than 75% of homes nearby

Year built1998
OlderTypical 1977Newer

Newer than 77% of homes nearby

How 66 Summer St ranks against every home in each area.
MeasureThis homeWestborough 01581Worcester County
Estimated valuepricier than$650,00043% of homes77% of homes
Price per ft²pricier than$52197% of homes98% of homes
Living areabigger than1,248 ft²21% of homes25% of homes
Lot sizebigger than1.66 ac75% of homes79% of homes
Year builtnewer than199877% of homes82% of homes

About 66 Summer St

How much is 66 Summer St, Westborough, MA worth?

The TopHap Estimate for 66 Summer St, Westborough, MA is $650,000 as of Sep 24, 2026. The likely range is $620,595 to $679,405. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 66 Summer St, Westborough, MA last sell?

66 Summer St, Westborough, MA last sold on Aug 25, 1999 for $250,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 66 Summer St, Westborough, MA?

66 Summer St, Westborough, MA has 3 bedrooms, 2.5 bathrooms, 1,248 square feet of living space and a 1.66-acre lot.

When was 66 Summer St, Westborough, MA built?

66 Summer St, Westborough, MA was built in 1998, making it 28 years old. It is a split level home. The building has 1 story.

What schools serve 66 Summer St, Westborough, MA?

66 Summer St, Westborough, MA is assigned to J. Harding Armstrong Elementary School (elementary), rated A-; Sarah W. Gibbons Middle School (middle), 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 66 Summer St, Westborough, MA compare to other homes in Westborough 01581?

Among the 5,696 homes in Westborough 01581, it is worth more than 43% of them ($650,000 against a typical $698,650), its price per square foot is higher than 97% of them ($521 against a typical $375), it is bigger than 21% of them (1,248 ft² against a typical 1,940 ft²), its lot is bigger than 75% of them (1.66 ac against a typical 0.66 ac) and it is newer than 77% of them (1998 against a typical 1977). Measured against all of Worcester County, it is worth more than 77% 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 66 Summer St, Westborough, MA?

The 2026 property tax bill for 66 Summer St, Westborough, MA was $10,232. The county assessed it at $642,300.

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