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CondominiumResidential
$364,627$208 / 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 Sep 24, 2026
Last sold for $234,000 on Jul 29, 2005

20 HARLEM ST

LOWELL, MA 01854
Building report
2
Beds
1.5
Baths
1,752 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$365K
$351K low$378K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$234,000 · Jul 29, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,817 (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.$332,500 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$332,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$425,980

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
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(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.

E
Joseph McavinnueC
Elementary · Grades PK–4 · 0.7 mi
M
Bartlett Community PartnershipB-
Middle · Grades PK–8 · 1.0 mi
H
Lowell High SchoolC-
High · Grades 9–12 · 1.1 mi

District: Lowell School District

Neighborhood · ZIP 01854These 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.139
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 100.81

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.94%
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.17%
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.29,844
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,713 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,433
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,041
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

20 Harlem 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 Middlesex County
  • Among the lowest price per square foot in Middlesex County
  • Newer than 80% of homes in Pawtucketville

What homes are worth in Lowell 01854

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

This home
$228K$770K

This home is worth more than 28% of homes in Lowell 01854.

How it measures up in Lowell 01854

The dot is this home. The mark in the middle is the typical home in Lowell 01854.

Estimated value$364,627
CheaperTypical $465,903Pricier

Pricier than 28% of homes nearby

Price per ft²$208
CheaperTypical $325Pricier

Pricier than 2% of homes nearby

Living area1,752 ft²
SmallerTypical 1,605 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.23 ac
SmallerTypical 0.23 acBigger

Bigger than 56% of homes nearby

Year built1986
OlderTypical 1962Newer

Newer than 80% of homes nearby

How 20 Harlem St ranks against every home in each area.
MeasureThis homePawtucketvilleLowell 01854Middlesex County
Estimated valuepricier than$364,62724% of homes28% of homes6% of homes
Price per ft²pricier than$2082% of homes2% of homesalmost no homes
Living areabigger than1,752 ft²59% of homes58% of homes46% of homes
Lot sizebigger than0.23 ac53% of homes56% of homes40% of homes
Year builtnewer than198680% of homes80% of homes78% of homes

About 20 Harlem St

How much is 20 Harlem St, Lowell, MA worth?

The TopHap Estimate for 20 Harlem St, Lowell, MA is $364,627 as of Sep 24, 2026. The likely range is $350,891 to $378,363. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Harlem St, Lowell, MA last sell?

20 Harlem St, Lowell, MA last sold on Jul 29, 2005 for $234,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 Harlem St, Lowell, MA?

20 Harlem St, Lowell, MA has 2 bedrooms, 1.5 bathrooms and 1,752 square feet of living space.

When was 20 Harlem St, Lowell, MA built?

20 Harlem St, Lowell, MA was built in 1986, making it 40 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 20 Harlem St, Lowell, MA?

20 Harlem St, Lowell, MA is assigned to Joseph Mcavinnue (elementary), rated C; Bartlett Community Partnership (middle), rated B-; Lowell High School (high), rated C-. All sit in Lowell School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Harlem St, Lowell, MA compare to other homes in Lowell 01854?

Among the 5,368 homes in Lowell 01854, it is worth more than 28% of them ($364,627 against a typical $465,903), its price per square foot is higher than 2% of them ($208 against a typical $325), it is bigger than 58% of them (1,752 ft² against a typical 1,605 ft²), its lot is bigger than 56% of them (0.23 ac against a typical 0.23 ac) and it is newer than 80% of them (1986 against a typical 1962). Measured against all of Middlesex County, it is worth more than 6% 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 20 Harlem St, Lowell, MA?

The 2025 property tax bill for 20 Harlem St, Lowell, MA was $3,817. The county assessed it at $332,500.

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