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CondominiumResidential
$335,181$388 / 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 Jul 14, 2026
Last sold for $237,500 on Oct 5, 2020

39 BIG ROCK TRL

WESTFORD, MA 01886
2
Beds
1
Baths
863 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.
2010
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$335K
$320K low$350K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$237,500 · Oct 5, 2020
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$335,181
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$268,145

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,532 (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.$262,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$262,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$243,200

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.33 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMiddlesex
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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.

M
Stony Brook Middle SchoolA-
Middle · Grades 6–8 · 1.4 mi
E
Rita E. Miller Elementary School
Elementary · Grades PK–2 · 1.5 mi
H
Westford AcademyA
High · Grades 9–12 · 3.5 mi

District: Westford School District

Neighborhood · ZIP 01886These 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.19
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.80

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.8%
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.25,048
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.803 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,754
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$183,117
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

39 Big Rock Trl 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 97% of homes in Westford 01886
  • Costs less per square foot than 71% of homes in Middlesex County
  • Smaller than 96% of homes in Westford 01886
  • Newer than 94% of homes in Middlesex County

What homes are worth in Westford 01886

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

This home
$327K$1.6M

This home is worth more than 3% of homes in Westford 01886.

How it measures up in Westford 01886

The dot is this home. The mark in the middle is the typical home in Westford 01886.

Estimated value$335,181
CheaperTypical $835,892Pricier

Pricier than 3% of homes nearby

Price per ft²$388
CheaperTypical $421Pricier

Pricier than 30% of homes nearby

Living area863 ft²
SmallerTypical 2,062 ft²Bigger

Bigger than 4% of homes nearby

Year built2010
OlderTypical 1984Newer

Newer than 92% of homes nearby

How 39 Big Rock Trl ranks against every home in each area.
MeasureThis homeWestford 01886Middlesex County
Estimated valuepricier than$335,1813% of homes4% of homes
Price per ft²pricier than$38830% of homes29% of homes
Living areabigger than863 ft²4% of homes6% of homes
Year builtnewer than201092% of homes94% of homes

About 39 Big Rock Trl

How much is 39 Big Rock Trl, Westford, MA worth?

The TopHap Estimate for 39 Big Rock Trl, Westford, MA is $335,181 as of Jul 14, 2026. The likely range is $320,136 to $350,226. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 39 Big Rock Trl, Westford, MA last sell?

39 Big Rock Trl, Westford, MA last sold on Oct 5, 2020 for $237,500, according to the county's recorded deed.

How big is 39 Big Rock Trl, Westford, MA?

39 Big Rock Trl, Westford, MA has 2 bedrooms, 1 bathrooms and 863 square feet of living space.

When was 39 Big Rock Trl, Westford, MA built?

39 Big Rock Trl, Westford, MA was built in 2010, making it 16 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 39 Big Rock Trl, Westford, MA?

39 Big Rock Trl, Westford, MA is assigned to Stony Brook Middle School (middle), rated A-; Rita E. Miller Elementary School (elementary); Westford Academy (high), rated A. All sit in Westford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 39 Big Rock Trl, Westford, MA compare to other homes in Westford 01886?

Among the 8,171 homes in Westford 01886, it is worth more than 3% of them ($335,181 against a typical $835,892), its price per square foot is higher than 30% of them ($388 against a typical $421), it is bigger than 4% of them (863 ft² against a typical 2,062 ft²) and it is newer than 92% of them (2010 against a typical 1984). Measured against all of Middlesex County, it is worth more than 4% 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 39 Big Rock Trl, Westford, MA?

The 2025 property tax bill for 39 Big Rock Trl, Westford, MA was $3,532. The county assessed it at $262,200.

Closest homes

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Assigned schools

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