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Duplex (2 Units, Any Combination)Residential

517 WESTFORD ST

LOWELL, MA 01851
4
Beds
2
Baths
2,841 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1899
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,603 (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.$669,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$182,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$487,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$632,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$683,485

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.16
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
HeatingThe type of heating system in the home.Steam
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
Charles W MoreyC
Elementary · Grades PK–4 · 0.2 mi
M
James S Daley Middle SchoolC+
Middle · Grades 5–8 · 0.7 mi
H
Lowell High SchoolD
High · Grades 9–12 · 1.5 mi

District: Lowell School District

Neighborhood · ZIP 01851These 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.111
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 100.85

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.33,136
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,695 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,238
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,324
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

517 Westford 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.

  • Bigger than 83% of homes in Highlands
  • Has a smaller lot than 74% of homes in Middlesex County
  • Older than 93% of homes in Highlands

How it measures up in Lowell 01851

The dot is this home. The mark in the middle is the typical home in Lowell 01851.

Living area2,841 ft²
SmallerTypical 1,760 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.16 ac
SmallerTypical 0.14 acBigger

Bigger than 58% of homes nearby

Year built1899
OlderTypical 1920Newer

Newer than 9% of homes nearby

How 517 Westford St ranks against every home in each area.
MeasureThis homeHighlandsLowell 01851Middlesex County
Living areabigger than2,841 ft²83% of homes80% of homes82% of homes
Lot sizebigger than0.16 ac48% of homes58% of homes26% of homes
Year builtnewer than18997% of homes9% of homes8% of homes

About 517 Westford St

When did 517 Westford St, Lowell, MA last sell?

517 Westford St, Lowell, MA last sold on Jan 31, 2017, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 517 Westford St, Lowell, MA?

517 Westford St, Lowell, MA has 4 bedrooms, 2 bathrooms, 2,841 square feet of living space and a 0.16-acre lot.

When was 517 Westford St, Lowell, MA built?

517 Westford St, Lowell, MA was built in 1899, making it 127 years old. It is a duplex single home. The building has 2 stories.

What schools serve 517 Westford St, Lowell, MA?

517 Westford St, Lowell, MA is assigned to Charles W Morey (elementary), rated C; James S Daley Middle School (middle), rated C+; Lowell High School (high), rated D. All sit in Lowell School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 517 Westford St, Lowell, MA compare to other homes in Lowell 01851?

Among the 5,774 homes in Lowell 01851, it is bigger than 80% of them (2,841 ft² against a typical 1,760 ft²), its lot is bigger than 58% of them (0.16 ac against a typical 0.14 ac) and it is newer than 9% of them (1899 against a typical 1920). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 517 Westford St, Lowell, MA?

The 2026 property tax bill for 517 Westford St, Lowell, MA was $7,603. The county assessed it at $669,900.

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