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Single Family ResidenceResidential
$1,278,309$277 / 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 Aug 30, 2026
Last sold for $696,000 on Aug 27, 2003

140 HIGH ST

ACTON, MA 01720
6
Beds
3.5
Baths
4,620 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.
0.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.3M
$1.2M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$696,000 · Aug 27, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,018 (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.$1,108,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$319,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$789,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,353,655

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.Colonial
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.59
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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(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
Luther Conant Elementary SchoolA+
Elementary · Grades KG–6 · 1.7 mi
M
R. J. Grey Junior High SchoolA
Middle · Grades 7–8 · 1.9 mi
H
Acton - Boxborough Regional High SchoolA
High · Grades 9–12 · 2.1 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

140 High 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 88% of homes in Acton 01720
  • Among the lowest price per square foot in Acton 01720
  • Among the largest homes in Acton 01720
  • Has a bigger lot than 69% of homes in Middlesex County
  • Older than 86% of homes in Acton 01720

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
$222K$1.7M

This home is worth more than 88% 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$1,278,309
CheaperTypical $855,764Pricier

Pricier than 88% of homes nearby

Price per ft²$277
CheaperTypical $410Pricier

Cheaper than almost all homes nearby

Living area4,620 ft²
SmallerTypical 2,087 ft²Bigger

Bigger than almost all homes nearby

Lot size0.59 ac
SmallerTypical 0.72 acBigger

Bigger than 42% of homes nearby

Year built1955
OlderTypical 1971Newer

Newer than 14% of homes nearby

How 140 High St ranks against every home in each area.
MeasureThis homeActon 01720Middlesex County
Estimated valuepricier than$1,278,30988% of homes83% of homes
Price per ft²pricier than$277almost no homes6% of homes
Living areabigger than4,620 ft²almost all homes97% of homes
Lot sizebigger than0.59 ac42% of homes69% of homes
Year builtnewer than195514% of homes48% of homes

About 140 High St

How much is 140 High St, Acton, MA worth?

The TopHap Estimate for 140 High St, Acton, MA is $1,278,309 as of Aug 30, 2026. The likely range is $1,210,117 to $1,346,501. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 140 High St, Acton, MA last sell?

140 High St, Acton, MA last sold on Aug 27, 2003 for $696,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 140 High St, Acton, MA?

140 High St, Acton, MA has 6 bedrooms, 3.5 bathrooms, 4,620 square feet of living space and a 0.59-acre lot.

When was 140 High St, Acton, MA built?

140 High St, Acton, MA was built in 1955, making it 71 years old. It is a colonial home. The building has 2 stories.

What schools serve 140 High St, Acton, MA?

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

How does 140 High St, Acton, MA compare to other homes in Acton 01720?

Among the 7,508 homes in Acton 01720, it is worth more than 88% of them ($1,278,309 against a typical $855,764), its price per square foot is higher than almost none of them ($277 against a typical $410), it is bigger than almost all of them (4,620 ft² against a typical 2,087 ft²), its lot is bigger than 42% of them (0.59 ac against a typical 0.72 ac) and it is newer than 14% of them (1955 against a typical 1971). Measured against all of Middlesex County, it is worth more than 83% 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 140 High St, Acton, MA?

The 2025 property tax bill for 140 High St, Acton, MA was $19,018. The county assessed it at $1,108,900.

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