Skip to content
Skip to content
TopHapOpen in map
R&D Facility, Laboratory, Research Facility, Cosmetics, PharmaceuticalIndustrial
Last sold for $65,000,000 on Dec 23, 2021

4400 COMPUTER DR

WESTBOROUGH, MA 01581
8
Baths
677,238 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.
92.81 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$65,000,000 · Dec 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$679,176 (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.$41,692,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,968,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$25,724,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,066,500

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.R&D Facility, Laboratory, Research Facility, Cosmetics, Pharmaceutical
CountyWorcester
Lot (acres)The size of the land the home sits on, from county records.92.81
ConstructionThe main material the home's frame and walls are built from.Steel Frame
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
HeatingThe type of heating system in the home.Forced Air
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.No Garage
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.

E
Elsie A.Hastings Elementary SchoolA
Elementary · Grades KG–3 · 1.7 mi
H
Westborough High SchoolA
High · Grades 9–12 · 3.0 mi
M
Sarah W. Gibbons Middle SchoolA
Middle · Grades 7–8 · 3.0 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%

Owner Tools

Do you own this home?
Claim this home

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

4400 Computer Dr 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.

  • Among the largest homes in Westborough 01581
  • Among the largest lots 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.

Living area677,238 ft²
SmallerTypical 1,944 ft²Bigger

Bigger than almost all homes nearby

Lot size92.81 ac
SmallerTypical 0.65 acBigger

Bigger than almost all homes nearby

Year built1977
OlderTypical 1976Newer

Newer than 51% of homes nearby

How 4400 Computer Dr ranks against every home in each area.
MeasureThis homeWestborough 01581Worcester County
Living areabigger than677,238 ft²almost all homesalmost all homes
Lot sizebigger than92.81 acalmost all homesalmost all homes
Year builtnewer than197751% of homes57% of homes

About 4400 Computer Dr

When did 4400 Computer Dr, Westborough, MA last sell?

4400 Computer Dr, Westborough, MA last sold on Dec 23, 2021 for $65,000,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4400 Computer Dr, Westborough, MA?

4400 Computer Dr, Westborough, MA has 8 bathrooms, 677,238 square feet of living space and a 92.81-acre lot.

When was 4400 Computer Dr, Westborough, MA built?

4400 Computer Dr, Westborough, MA was built in 1977, making it 49 years old. The building has 2 stories.

What schools serve 4400 Computer Dr, Westborough, MA?

4400 Computer Dr, Westborough, MA is assigned to Elsie A.Hastings Elementary School (elementary), rated A; Westborough High School (high), rated A; Sarah W. Gibbons Middle School (middle), rated A. All sit in Westborough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4400 Computer Dr, Westborough, MA compare to other homes in Westborough 01581?

Among the 5,697 homes in Westborough 01581, it is bigger than almost all of them (677,238 ft² against a typical 1,944 ft²), its lot is bigger than almost all of them (92.81 ac against a typical 0.65 ac) and it is newer than 51% of them (1977 against a typical 1976). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4400 Computer Dr, Westborough, MA?

The 2025 property tax bill for 4400 Computer Dr, Westborough, MA was $679,176. The county assessed it at $41,692,800.

Closest homes

More homes in Westborough 01581

Assigned schools

Explore the area

See this home in context

Open 4400 Computer Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map