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Single Family ResidenceResidential
$873,047$340 / 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 99How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

139 NONSET PATH

ACTON, MA 01720
3
Beds
2.5
Baths
2,566 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.
0.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$873K
$861K low$885K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,102 (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.$822,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$345,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$476,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,107,510

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.Cape Cod
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.56
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
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
Luther Conant Elementary SchoolA+
Elementary · Grades KG–6 · 2.8 mi
H
Acton - Boxborough Regional High SchoolA+
High · Grades 9–12 · 2.9 mi
M
R. J. Grey Junior High SchoolA+
Middle · Grades 7–8 · 3.1 mi

District: Acton-Boxborough School District

Neighborhood · ZIP 01720These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72

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.97%
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.2.6%
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.24,473
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,210 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$148,952
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$187,397
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%

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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

139 Nonset Path 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.

  • Costs less per square foot than 87% of homes in Acton 01720
  • Bigger than 76% of homes in Middlesex County
  • Has a bigger lot than 66% of homes in Middlesex County
  • Newer than 79% of homes in Middlesex County

What homes are worth in Acton 01720

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

This home
$225K$1.7M

This home is worth more than 55% of homes in Acton 01720.

How it measures up in Acton 01720

The dot is this home. The mark in the middle is the typical home in Acton 01720.

Estimated value$873,047
CheaperTypical $843,855Pricier

Pricier than 55% of homes nearby

Price per ft²$340
CheaperTypical $402Pricier

Pricier than 13% of homes nearby

Living area2,566 ft²
SmallerTypical 2,085 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.56 ac
SmallerTypical 0.73 acBigger

Bigger than 39% of homes nearby

Year built1987
OlderTypical 1971Newer

Newer than 71% of homes nearby

How 139 Nonset Path ranks against every home in each area.
MeasureThis homeActon 01720Middlesex County
Estimated valuepricier than$873,04755% of homes61% of homes
Price per ft²pricier than$34013% of homes17% of homes
Living areabigger than2,566 ft²73% of homes76% of homes
Lot sizebigger than0.56 ac39% of homes66% of homes
Year builtnewer than198771% of homes79% of homes

About 139 Nonset Path

How much is 139 Nonset Path, Acton, MA worth?

The TopHap Estimate for 139 Nonset Path, Acton, MA is $873,047 as of Oct 21, 2026. The likely range is $860,633 to $885,461. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 Nonset Path, Acton, MA last sell?

139 Nonset Path, Acton, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 139 Nonset Path, Acton, MA?

139 Nonset Path, Acton, MA has 3 bedrooms, 2.5 bathrooms, 2,566 square feet of living space and a 0.56-acre lot.

When was 139 Nonset Path, Acton, MA built?

139 Nonset Path, Acton, MA was built in 1987, making it 39 years old. It is a cape cod home. The building has 2 stories.

What schools serve 139 Nonset Path, Acton, MA?

139 Nonset Path, Acton, MA is assigned to Luther Conant Elementary 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 139 Nonset Path, Acton, MA compare to other homes in Acton 01720?

Among the 7,508 homes in Acton 01720, it is worth more than 55% of them ($873,047 against a typical $843,855), its price per square foot is higher than 13% of them ($340 against a typical $402), it is bigger than 73% of them (2,566 ft² against a typical 2,085 ft²), its lot is bigger than 39% of them (0.56 ac against a typical 0.73 ac) and it is newer than 71% of them (1987 against a typical 1971). Measured against all of Middlesex County, it is worth more than 61% 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 139 Nonset Path, Acton, MA?

The 2025 property tax bill for 139 Nonset Path, Acton, MA was $14,102. The county assessed it at $822,300.

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