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Single Family ResidenceResidential
$452,925$392 / 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 93How 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

4 3RD ST

WESTFORD, MA 01886
3
Beds
1
Baths
1,155 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$453K
$421K low$485K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,774 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$440,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$283,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$157,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$407,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$459,894

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.Ranch
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.14
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 With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Lloyd G. Blanchard Middle SchoolA+
Middle · Grades 6–8 · 0.9 mi
H
Westford AcademyA+
High · Grades 9–12 · 1.1 mi
E
Rita E. Miller Elementary School
Elementary · Grades PK–2 · 3.7 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%

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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

4 3rd 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 94% of homes in Westford 01886
  • Costs less per square foot than 69% of homes in Middlesex County
  • Smaller than 87% of homes in Westford 01886
  • Has a smaller lot than 98% of homes in Westford 01886
  • Older than 93% of homes in Westford 01886

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
$307K$1.5M

This home is worth more than 6% 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$452,925
CheaperTypical $821,313Pricier

Pricier than 6% of homes nearby

Price per ft²$392
CheaperTypical $410Pricier

Pricier than 38% of homes nearby

Living area1,155 ft²
SmallerTypical 2,076 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.14 ac
SmallerTypical 0.92 acBigger

Bigger than 2% of homes nearby

Year built1920
OlderTypical 1984Newer

Newer than 7% of homes nearby

How 4 3rd St ranks against every home in each area.
MeasureThis homeWestford 01886Middlesex County
Estimated valuepricier than$452,9256% of homes11% of homes
Price per ft²pricier than$39238% of homes31% of homes
Living areabigger than1,155 ft²13% of homes18% of homes
Lot sizebigger than0.14 ac2% of homes22% of homes
Year builtnewer than19207% of homes26% of homes

About 4 3rd St

How much is 4 3rd St, Westford, MA worth?

The TopHap Estimate for 4 3rd St, Westford, MA is $452,925 as of Sep 24, 2026. The likely range is $420,841 to $485,009. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 3rd St, Westford, MA last sell?

4 3rd St, Westford, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 3rd St, Westford, MA?

4 3rd St, Westford, MA has 3 bedrooms, 1 bathrooms, 1,155 square feet of living space and a 0.14-acre lot.

When was 4 3rd St, Westford, MA built?

4 3rd St, Westford, MA was built in 1920, making it 106 years old. It is a ranch home. The building has 1 story.

What schools serve 4 3rd St, Westford, MA?

4 3rd St, Westford, MA is assigned to Lloyd G. Blanchard Middle School (middle), rated A+; Westford Academy (high), rated A+; Rita E. Miller Elementary School (elementary). All sit in Westford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 3rd St, Westford, MA compare to other homes in Westford 01886?

Among the 8,171 homes in Westford 01886, it is worth more than 6% of them ($452,925 against a typical $821,313), its price per square foot is higher than 38% of them ($392 against a typical $410), it is bigger than 13% of them (1,155 ft² against a typical 2,076 ft²), its lot is bigger than 2% of them (0.14 ac against a typical 0.92 ac) and it is newer than 7% of them (1920 against a typical 1984). Measured against all of Middlesex County, it is worth more than 11% 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 4 3rd St, Westford, MA?

The 2026 property tax bill for 4 3rd St, Westford, MA was $5,774. The county assessed it at $440,400.

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