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Single Family ResidenceResidential
$673,926$410 / 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 97How 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 $416,000 on Sep 29, 2004

21 MANSION DR

LOWELL, MA 01852
3
Beds
1.5
Baths
1,642 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$674K
$653K low$695K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$416,000 · Sep 29, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,837 (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.$595,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$243,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$352,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$640,680

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.Contemporary
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.25
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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(15)

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
Moody Elementary SchoolB
Elementary · Grades PK–4 · 0.4 mi
M
James Sullivan Middle SchoolC-
Middle · Grades 5–8 · 0.6 mi
H
Leblanc Therapeutic Day School
High · Grades 9–12 · 0.6 mi

District: Lowell School District

Neighborhood · ZIP 01852These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.87

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.38,007
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,196 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,803
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,531
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

21 Mansion Dr 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 more than 90% of homes in Lowell 01852
  • Costs more per square foot than 90% of homes in Lowell 01852
  • Newer than 84% of homes in Belvidere

What homes are worth in Lowell 01852

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

This home
$209K$871K

This home is worth more than 90% of homes in Lowell 01852.

How it measures up in Lowell 01852

The dot is this home. The mark in the middle is the typical home in Lowell 01852.

Estimated value$673,926
CheaperTypical $439,044Pricier

Pricier than 90% of homes nearby

Price per ft²$410
CheaperTypical $306Pricier

Pricier than 90% of homes nearby

Living area1,642 ft²
SmallerTypical 1,531 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.25 ac
SmallerTypical 0.19 acBigger

Bigger than 64% of homes nearby

Year built1982
OlderTypical 1950Newer

Newer than 76% of homes nearby

How 21 Mansion Dr ranks against every home in each area.
MeasureThis homeBelvidereLowell 01852Middlesex County
Estimated valuepricier than$673,92678% of homes90% of homes35% of homes
Price per ft²pricier than$41083% of homes90% of homes36% of homes
Living areabigger than1,642 ft²45% of homes56% of homes42% of homes
Lot sizebigger than0.25 ac63% of homes64% of homes43% of homes
Year builtnewer than198284% of homes76% of homes73% of homes

About 21 Mansion Dr

How much is 21 Mansion Dr, Lowell, MA worth?

The TopHap Estimate for 21 Mansion Dr, Lowell, MA is $673,926 as of Sep 24, 2026. The likely range is $652,542 to $695,310. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Mansion Dr, Lowell, MA last sell?

21 Mansion Dr, Lowell, MA last sold on Sep 29, 2004 for $416,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21 Mansion Dr, Lowell, MA?

21 Mansion Dr, Lowell, MA has 3 bedrooms, 1.5 bathrooms, 1,642 square feet of living space and a 0.25-acre lot.

When was 21 Mansion Dr, Lowell, MA built?

21 Mansion Dr, Lowell, MA was built in 1982, making it 44 years old. It is a contemporary home. The building has 1 story.

What schools serve 21 Mansion Dr, Lowell, MA?

21 Mansion Dr, Lowell, MA is assigned to Moody Elementary School (elementary), rated B; James Sullivan Middle School (middle), rated C-; Leblanc Therapeutic Day School (high). All sit in Lowell School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mansion Dr, Lowell, MA compare to other homes in Lowell 01852?

Among the 8,439 homes in Lowell 01852, it is worth more than 90% of them ($673,926 against a typical $439,044), its price per square foot is higher than 90% of them ($410 against a typical $306), it is bigger than 56% of them (1,642 ft² against a typical 1,531 ft²), its lot is bigger than 64% of them (0.25 ac against a typical 0.19 ac) and it is newer than 76% of them (1982 against a typical 1950). Measured against all of Middlesex County, it is worth more than 35% 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 21 Mansion Dr, Lowell, MA?

The 2025 property tax bill for 21 Mansion Dr, Lowell, MA was $6,837. The county assessed it at $595,600.

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