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Single Family ResidenceResidential
$475,957$317 / 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
Last sold for $120,000 on Apr 1, 1998

139 18TH ST

LOWELL, MA 01850
3
Beds
1
Baths
1,501 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$476K
$444K low$508K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$120,000 · Apr 1, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,783 (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.$421,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$136,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$285,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$401,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$482,857

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.0.11
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(5)

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
S Christa Mcauliffe Elementary SchoolD+
Elementary · Grades PK–4 · 0.2 mi
M
Henry J Robinson Middle SchoolD-
Middle · Grades 5–8 · 0.3 mi
H
Lowell High SchoolD
High · Grades 9–12 · 1.2 mi

District: Lowell School District

Neighborhood · ZIP 01850These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.16,865
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,591 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,769
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,358
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

139 18th 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 87% of homes in Middlesex County
  • Costs less per square foot than 88% of homes in Middlesex County
  • Smaller than 65% of homes in Middlesex County
  • Has a smaller lot than 86% of homes in Middlesex County
  • Newer than 68% of homes in Lowell 01850

What homes are worth in Lowell 01850

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

This home
$199K$631K

This home is worth more than 73% of homes in Lowell 01850.

How it measures up in Lowell 01850

The dot is this home. The mark in the middle is the typical home in Lowell 01850.

Estimated value$475,957
CheaperTypical $418,172Pricier

Pricier than 73% of homes nearby

Price per ft²$317
CheaperTypical $301Pricier

Pricier than 63% of homes nearby

Living area1,501 ft²
SmallerTypical 1,565 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.11 ac
SmallerTypical 0.14 acBigger

Bigger than 41% of homes nearby

Year built1958
OlderTypical 1925Newer

Newer than 68% of homes nearby

How 139 18th St ranks against every home in each area.
MeasureThis homeLowell 01850Middlesex County
Estimated valuepricier than$475,95773% of homes13% of homes
Price per ft²pricier than$31763% of homes12% of homes
Living areabigger than1,501 ft²47% of homes35% of homes
Lot sizebigger than0.11 ac41% of homes14% of homes
Year builtnewer than195868% of homes50% of homes

About 139 18th St

How much is 139 18th St, Lowell, MA worth?

The TopHap Estimate for 139 18th St, Lowell, MA is $475,957 as of Sep 24, 2026. The likely range is $443,656 to $508,258. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 18th St, Lowell, MA last sell?

139 18th St, Lowell, MA last sold on Apr 1, 1998 for $120,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 139 18th St, Lowell, MA?

139 18th St, Lowell, MA has 3 bedrooms, 1 bathrooms, 1,501 square feet of living space and a 0.11-acre lot.

When was 139 18th St, Lowell, MA built?

139 18th St, Lowell, MA was built in 1958, making it 68 years old. It is a cape cod home. The building has 1 story.

What schools serve 139 18th St, Lowell, MA?

139 18th St, Lowell, MA is assigned to S Christa Mcauliffe Elementary School (elementary), rated D+; Henry J Robinson Middle School (middle), rated D-; 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 139 18th St, Lowell, MA compare to other homes in Lowell 01850?

Among the 3,731 homes in Lowell 01850, it is worth more than 73% of them ($475,957 against a typical $418,172), its price per square foot is higher than 63% of them ($317 against a typical $301), it is bigger than 47% of them (1,501 ft² against a typical 1,565 ft²), its lot is bigger than 41% of them (0.11 ac against a typical 0.14 ac) and it is newer than 68% of them (1958 against a typical 1925). Measured against all of Middlesex County, it is worth more than 13% 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 139 18th St, Lowell, MA?

The 2026 property tax bill for 139 18th St, Lowell, MA was $4,783. The county assessed it at $421,400.

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