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Single Family ResidenceResidential
$696,893$432 / 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 97How 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 $450,000 on Jun 25, 2015

664 MASSACHUSETTS AVE

ACTON, MA 01720
4
Beds
1.5
Baths
1,613 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
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

$697K
$673K low$720K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$450,000 · Jun 25, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,618 (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.$619,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$273,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$345,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$736,155

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.92 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.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.0.48
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
Paul P. Gates Elementary SchoolA+
Elementary · Grades KG–6 · 0.5 mi
M
R. J. Grey Junior High SchoolA+
Middle · Grades 7–8 · 1.2 mi
H
Acton - Boxborough Regional High SchoolA+
High · Grades 9–12 · 1.2 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

664 Massachusetts Ave 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 71% of homes in Acton 01720
  • Smaller than 68% of homes in Acton 01720
  • Has a smaller lot than 75% of homes in Acton 01720
  • Older than 72% 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
$227K$1.7M

This home is worth more than 29% 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$696,893
CheaperTypical $862,197Pricier

Pricier than 29% of homes nearby

Price per ft²$432
CheaperTypical $412Pricier

Pricier than 63% of homes nearby

Living area1,613 ft²
SmallerTypical 2,086 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.48 ac
SmallerTypical 0.72 acBigger

Bigger than 25% of homes nearby

Year built1962
OlderTypical 1971Newer

Newer than 28% of homes nearby

How 664 Massachusetts Ave ranks against every home in each area.
MeasureThis homeActon 01720Middlesex County
Estimated valuepricier than$696,89329% of homes39% of homes
Price per ft²pricier than$43263% of homes43% of homes
Living areabigger than1,613 ft²32% of homes40% of homes
Lot sizebigger than0.48 ac25% of homes63% of homes
Year builtnewer than196228% of homes55% of homes

About 664 Massachusetts Ave

How much is 664 Massachusetts Ave, Acton, MA worth?

The TopHap Estimate for 664 Massachusetts Ave, Acton, MA is $696,893 as of Sep 24, 2026. The likely range is $673,439 to $720,347. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 664 Massachusetts Ave, Acton, MA last sell?

664 Massachusetts Ave, Acton, MA last sold on Jun 25, 2015 for $450,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 664 Massachusetts Ave, Acton, MA?

664 Massachusetts Ave, Acton, MA has 4 bedrooms, 1.5 bathrooms, 1,613 square feet of living space and a 0.48-acre lot.

When was 664 Massachusetts Ave, Acton, MA built?

664 Massachusetts Ave, Acton, MA was built in 1962, making it 64 years old. It is a cape cod home. The building has 2 stories.

What schools serve 664 Massachusetts Ave, Acton, MA?

664 Massachusetts Ave, Acton, MA is assigned to Paul P. Gates 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 664 Massachusetts Ave, Acton, MA compare to other homes in Acton 01720?

Among the 7,508 homes in Acton 01720, it is worth more than 29% of them ($696,893 against a typical $862,197), its price per square foot is higher than 63% of them ($432 against a typical $412), it is bigger than 32% of them (1,613 ft² against a typical 2,086 ft²), its lot is bigger than 25% of them (0.48 ac against a typical 0.72 ac) and it is newer than 28% of them (1962 against a typical 1971). Measured against all of Middlesex County, it is worth more than 39% 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 664 Massachusetts Ave, Acton, MA?

The 2025 property tax bill for 664 Massachusetts Ave, Acton, MA was $10,618. The county assessed it at $619,100.

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