Skip to content
Skip to content
TopHapOpen in map
R&D Facility, Laboratory, Research Facility, Cosmetics, PharmaceuticalIndustrial
Last sold for $9,675,000 on Nov 23, 2016

159 SWANSON RD

BOXBOROUGH, MA 01719
4.5
Baths
102,793 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.
11.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
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.$9,675,000 · Nov 23, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$146,380 (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.$9,668,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,545,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,123,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$9,312,600

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.21 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.minimal

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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.11.56
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 With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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
Blanchard Memorial SchoolA
Elementary · Grades KG–6 · 2.1 mi
H
Acton - Boxborough Regional High SchoolA+
High · Grades 9–12 · 4.5 mi
M
R. J. Grey Junior High SchoolA+
Middle · Grades 7–8 · 4.6 mi

District: Acton-Boxborough School District

Neighborhood · ZIP 01719These 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.148
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 100.67

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.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
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.5,481
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.532 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$150,967
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$164,937
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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

159 Swanson Rd 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 Boxborough 01719
  • Has a bigger lot than 96% of homes in Middlesex County
  • Newer than 75% of homes in Middlesex County

How it measures up in Boxborough 01719

The dot is this home. The mark in the middle is the typical home in Boxborough 01719.

Living area102,793 ft²
SmallerTypical 1,845 ft²Bigger

Bigger than almost all homes nearby

Lot size11.56 ac
SmallerTypical 2.23 acBigger

Bigger than 95% of homes nearby

Year built1984
OlderTypical 1976Newer

Newer than 61% of homes nearby

How 159 Swanson Rd ranks against every home in each area.
MeasureThis homeBoxborough 01719Middlesex County
Living areabigger than102,793 ft²almost all homesalmost all homes
Lot sizebigger than11.56 ac95% of homes96% of homes
Year builtnewer than198461% of homes75% of homes

About 159 Swanson Rd

When did 159 Swanson Rd, Boxborough, MA last sell?

159 Swanson Rd, Boxborough, MA last sold on Nov 23, 2016 for $9,675,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 159 Swanson Rd, Boxborough, MA?

159 Swanson Rd, Boxborough, MA has 4.5 bathrooms, 102,793 square feet of living space and a 11.56-acre lot.

When was 159 Swanson Rd, Boxborough, MA built?

159 Swanson Rd, Boxborough, MA was built in 1984, making it 42 years old. The building has 2 stories.

What schools serve 159 Swanson Rd, Boxborough, MA?

159 Swanson Rd, Boxborough, MA is assigned to Blanchard Memorial School (elementary), rated A; Acton - Boxborough Regional High School (high), rated A+; R. J. Grey Junior High School (middle), rated A+. All sit in Acton-Boxborough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 159 Swanson Rd, Boxborough, MA compare to other homes in Boxborough 01719?

Among the 2,121 homes in Boxborough 01719, it is bigger than almost all of them (102,793 ft² against a typical 1,845 ft²), its lot is bigger than 95% of them (11.56 ac against a typical 2.23 ac) and it is newer than 61% of them (1984 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 159 Swanson Rd, Boxborough, MA?

The 2025 property tax bill for 159 Swanson Rd, Boxborough, MA was $146,380. The county assessed it at $9,668,400.

More homes on Swanson Rd

Closest homes

More homes in Boxborough 01719

Assigned schools

Explore the area

See this home in context

Open 159 Swanson Rd 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