CondominiumResidential
20 Harlem St
LOWELL, MA 01854
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.
Built 19864 units1,750–2,022 ft²
$1.6M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$396K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$210
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-26.4%vs the Lowell ZIP median sale $/ft² ($285)
Sales Performance
—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
198919901991200120052016
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
198919901991200120052016
7 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bed
4 units$396K · $210/ft²
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.50%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.50%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.28.5 yrs
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.45%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$417,344
Median tax billThe middle annual property tax bill among the building's units.$3,883
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
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
Lot (acres)The size of the land the home sits on, from county records.0.23
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
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EMH
Joseph McavinnueD
Elementary · Grades PK–4 · 0.7 mi
Bartlett Community PartnershipD-
Middle · Grades PK–8 · 1.0 mi
Lowell High SchoolD
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%
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 20 Harlem St
How many units are in 20 Harlem St, Lowell, MA?
20 Harlem St, Lowell, MA has 4 residential units across built in 1986, according to county assessor records.
What is a unit at 20 Harlem St, Lowell, MA worth?
The median TopHap Estimate across the 4 units at 20 Harlem St, Lowell, MA is $395,565. That works out to $210 per square foot. Units run from 1,750 to 2,022 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 20 Harlem St, Lowell, MA expensive for Lowell?
Units at 20 Harlem St, Lowell, MA carry a median of $210 per square foot, 26% below the Lowell median of $285 per square foot.
How often do units sell at 20 Harlem St, Lowell, MA?
0 units at 20 Harlem St, Lowell, MA sold in the last 12 months, out of 7 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.
Have units at 20 Harlem St, Lowell, MA appreciated?
Across 3 repeat sales of the same unit, 20 Harlem St, Lowell, MA returned a median 4.4% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 10.7 years.
More homes on Harlem St
- 74 Harlem St4 bd · 2 ba · 1,554 ft² · Sold $650K · Jun 2026
- 29 Harlem St$543K2 bd · 1 ba · 912 ft² · Sold $500K · Sep 2024
- 40 Harlem St$382K1 bd · 1 ba · 972 ft² · Sold $375K · May 2024
- 7 Harlem St$646K2 bd · 2 ba · 3,143 ft² · Sold Jul 2017
- 20 Harlem St # 3$369K2 bd · 1.5 ba · 1,750 ft² · Sold $193K · Jul 2016
- 63 Harlem St$462K3 bd · 1 ba · 1,092 ft² · Sold $185K · May 2013
- 86 Harlem St$621K3 bd · 3.5 ba · 2,354 ft² · Sold $257K · Nov 2008
- 35 Harlem St$493K4 bd · 2 ba · 2,178 ft² · Sold $270K · May 2008
- 20 Harlem St # 4$365K2 bd · 1.5 ba · 1,752 ft² · Sold $234K · Jul 2005
- 23 Harlem St4 bd · 2.5 ba · 2,559 ft² · Sold $65K · Oct 1992
- 20 Harlem St # 1$422K2 bd · 1.5 ba · 2,022 ft² · Sold $90K · Jun 1990
- 71 Harlem St$453K3 bd · 1.5 ba · 1,445 ft² · Sold $140K · Dec 1988
Closest homes
- 20 Harlem St$369K0 ft · 2 bd · 1.5 ba · 1,750 ft² · Sold $193K · Jul 2016
- 20 Harlem St$365K0 ft · 2 bd · 1.5 ba · 1,752 ft² · Sold $234K · Jul 2005
- 20 Harlem St$422K0 ft · 2 bd · 1.5 ba · 2,022 ft² · Sold $90K · Jun 1990
- 11 Gilmore St$519K79 ft · 3 bd · 2 ba · 2,448 ft² · Sold $140K · Oct 1998
- 13 Harlem St$610K126 ft · 3 bd · 2.5 ba · 2,601 ft² · Sold Jan 1900
- 23 Harlem St132 ft · 4 bd · 2.5 ba · 2,559 ft² · Sold $65K · Oct 1992
- 402 Riverside St111 ft · 3 bd · 2.5 ba · 3,080 ft² · Sold $165K · Sep 2009
- 26 Harlem St$502K123 ft · 3 bd · 1 ba · 1,832 ft² · Sold Jan 1900
More homes in Lowell 01854
- 28 E Meadow Rd4 bd · 2 ba · 2,824 ft² · Sold $735K · Oct 2026
- 36 5th Ave$395K2 bd · 1.5 ba · 1,004 ft² · Sold $395K · Oct 2026
- 492 Fletcher St6 bd · 2 ba · 2,406 ft² · Sold $605K · Oct 2026
- 46 Arlington St$500K2 bd · 1.5 ba · 1,593 ft² · Sold $500K · Oct 2026
- 58 Clare St6 bd · 2 ba · 3,056 ft² · Sold $715K · Oct 2026
- 44 Starbird St6 bd · 2 ba · 2,768 ft² · Sold $850K · Oct 2026
- 32 Oliver St6 bd · 3 ba · 1,920 ft² · Sold $560K · Oct 2026
- 220 University Ave6 bd · 2 ba · 2,392 ft² · Sold $780K · Oct 2026
- 28 Mount Washington St$509K4 bd · 2 ba · 2,012 ft² · Sold $550K · Oct 2026
- 5 Patriot Way$770K3 bd · 2 ba · 1,535 ft² · Sold $770K · Oct 2026
- 64 Alma St$417K3 bd · 1 ba · 1,222 ft² · Sold $475K · Oct 2026
- 70 Austin St$320K2 bd · 2.5 ba · 1,100 ft² · Sold $305K · Sep 2026
Assigned schools
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