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Single Family ResidenceResidential
$879,024$446 / 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 94How 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 $550,000 on May 15, 2014

1 OLD COLONY LN

ACTON, MA 01720
4
Beds
2.5
Baths
1,969 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$879K
$823K low$935K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · May 15, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,833 (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.$748,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$317,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$431,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$942,685

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.0.55
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(1)

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 · 1.5 mi
M
R. J. Grey Junior High SchoolA+
Middle · Grades 7–8 · 2.4 mi
H
Acton - Boxborough Regional High SchoolA+
High · Grades 9–12 · 2.5 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

1 Old Colony Ln 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 more per square foot than 71% of homes in Acton 01720
  • Has a bigger lot than 67% of homes in Middlesex County
  • Older than 70% 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
$228K$1.7M

This home is worth more than 52% 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$879,024
CheaperTypical $864,041Pricier

Pricier than 52% of homes nearby

Price per ft²$446
CheaperTypical $412Pricier

Pricier than 71% of homes nearby

Living area1,969 ft²
SmallerTypical 2,086 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.55 ac
SmallerTypical 0.71 acBigger

Bigger than 39% of homes nearby

Year built1964
OlderTypical 1971Newer

Newer than 30% of homes nearby

How 1 Old Colony Ln ranks against every home in each area.
MeasureThis homeActon 01720Middlesex County
Estimated valuepricier than$879,02452% of homes61% of homes
Price per ft²pricier than$44671% of homes47% of homes
Living areabigger than1,969 ft²45% of homes55% of homes
Lot sizebigger than0.55 ac39% of homes67% of homes
Year builtnewer than196430% of homes58% of homes

About 1 Old Colony Ln

How much is 1 Old Colony Ln, Acton, MA worth?

The TopHap Estimate for 1 Old Colony Ln, Acton, MA is $879,024 as of Sep 24, 2026. The likely range is $822,906 to $935,142. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1 Old Colony Ln, Acton, MA last sell?

1 Old Colony Ln, Acton, MA last sold on May 15, 2014 for $550,000, according to the county's recorded deed.

How big is 1 Old Colony Ln, Acton, MA?

1 Old Colony Ln, Acton, MA has 4 bedrooms, 2.5 bathrooms, 1,969 square feet of living space and a 0.55-acre lot.

When was 1 Old Colony Ln, Acton, MA built?

1 Old Colony Ln, Acton, MA was built in 1964, making it 62 years old. It is a colonial home. The building has 2 stories.

What schools serve 1 Old Colony Ln, Acton, MA?

1 Old Colony Ln, 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 1 Old Colony Ln, Acton, MA compare to other homes in Acton 01720?

Among the 7,508 homes in Acton 01720, it is worth more than 52% of them ($879,024 against a typical $864,041), its price per square foot is higher than 71% of them ($446 against a typical $412), it is bigger than 45% of them (1,969 ft² against a typical 2,086 ft²), its lot is bigger than 39% of them (0.55 ac against a typical 0.71 ac) and it is newer than 30% of them (1964 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 1 Old Colony Ln, Acton, MA?

The 2025 property tax bill for 1 Old Colony Ln, Acton, MA was $12,833. The county assessed it at $748,300.

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