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Single Family ResidenceResidential
$688,510$423 / 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 96How 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 $176,100 on Nov 22, 1996

37 LIBERTY ST

ACTON, MA 01720
3
Beds
1.5
Baths
1,629 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.
0.74 ac
Lot SizeThe size of the land the home sits on, from county records.
1860
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

$689K
$662K low$715K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$176,100 · Nov 22, 1996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,522 (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.$613,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$323,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$289,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$668,230

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.39 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.74
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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.

M
R. J. Grey Junior High SchoolA+
Middle · Grades 7–8 · 1.5 mi
E
Merriam Elementary SchoolA-
Elementary · Grades KG–6 · 1.6 mi
H
Acton - Boxborough Regional High SchoolA+
High · Grades 9–12 · 1.7 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

37 Liberty 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 less than 72% of homes in Acton 01720
  • Smaller than 68% of homes in Acton 01720
  • Has a bigger lot than 73% of homes in Middlesex County
  • Older than 98% 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 28% 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$688,510
CheaperTypical $863,304Pricier

Pricier than 28% of homes nearby

Price per ft²$423
CheaperTypical $412Pricier

Pricier than 58% of homes nearby

Living area1,629 ft²
SmallerTypical 2,087 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.74 ac
SmallerTypical 0.72 acBigger

Bigger than 51% of homes nearby

Year built1860
OlderTypical 1971Newer

Newer than 2% of homes nearby

How 37 Liberty St ranks against every home in each area.
MeasureThis homeActon 01720Middlesex County
Estimated valuepricier than$688,51028% of homes38% of homes
Price per ft²pricier than$42358% of homes40% of homes
Living areabigger than1,629 ft²32% of homes41% of homes
Lot sizebigger than0.74 ac51% of homes73% of homes
Year builtnewer than18602% of homes2% of homes

About 37 Liberty St

How much is 37 Liberty St, Acton, MA worth?

The TopHap Estimate for 37 Liberty St, Acton, MA is $688,510 as of Sep 24, 2026. The likely range is $662,284 to $714,736. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 37 Liberty St, Acton, MA last sell?

37 Liberty St, Acton, MA last sold on Nov 22, 1996 for $176,100, according to the county's recorded deed.

How big is 37 Liberty St, Acton, MA?

37 Liberty St, Acton, MA has 3 bedrooms, 1.5 bathrooms, 1,629 square feet of living space and a 0.74-acre lot.

When was 37 Liberty St, Acton, MA built?

37 Liberty St, Acton, MA was built in 1860, making it 166 years old. It is a conventional home. The building has 2 stories.

What schools serve 37 Liberty St, Acton, MA?

37 Liberty St, Acton, MA is assigned to R. J. Grey Junior High School (middle), rated A+; Merriam Elementary School (elementary), 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 37 Liberty St, Acton, MA compare to other homes in Acton 01720?

Among the 7,508 homes in Acton 01720, it is worth more than 28% of them ($688,510 against a typical $863,304), its price per square foot is higher than 58% of them ($423 against a typical $412), it is bigger than 32% of them (1,629 ft² against a typical 2,087 ft²), its lot is bigger than 51% of them (0.74 ac against a typical 0.72 ac) and it is newer than 2% of them (1860 against a typical 1971). Measured against all of Middlesex County, it is worth more than 38% 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 37 Liberty St, Acton, MA?

The 2025 property tax bill for 37 Liberty St, Acton, MA was $10,522. The county assessed it at $613,500.

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