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CondominiumResidential
$435,105$377 / 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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $415,000 on Nov 25, 2025

15 ALTON ST

LOWELL, MA 01852
Building report
2
Beds
1.5
Baths
1,155 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.
0.85 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$435K
$356K low$514K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$415,000 · Nov 25, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,266 (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.$375,900 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$375,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$370,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$389,265

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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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(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
Moody Elementary SchoolD
Elementary · Grades PK–4 · 0.2 mi
H
Leblanc Therapeutic Day School
High · Grades 9–12 · 0.7 mi
M
B.F. Butler Middle SchoolD+
Middle · Grades 5–8 · 0.7 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

15 Alton 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 90% of homes in Middlesex County
  • Costs more per square foot than 82% of homes in Lowell 01852
  • Smaller than 84% of homes in Belvidere
  • Has a bigger lot than 95% of homes in Belvidere
  • Newer than 97% 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
$214K$878K

This home is worth more than 49% 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$435,105
CheaperTypical $437,682Pricier

Pricier than 49% of homes nearby

Price per ft²$377
CheaperTypical $307Pricier

Pricier than 82% of homes nearby

Living area1,155 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.85 ac
SmallerTypical 0.2 acBigger

Bigger than 85% of homes nearby

Year built2005
OlderTypical 1950Newer

Newer than 95% of homes nearby

How 15 Alton St ranks against every home in each area.
MeasureThis homeBelvidereLowell 01852Middlesex County
Estimated valuepricier than$435,10523% of homes49% of homes10% of homes
Price per ft²pricier than$37775% of homes82% of homes27% of homes
Living areabigger than1,155 ft²16% of homes22% of homes18% of homes
Lot sizebigger than0.85 ac95% of homes85% of homes74% of homes
Year builtnewer than200597% of homes95% of homes92% of homes

About 15 Alton St

How much is 15 Alton St, Lowell, MA worth?

The TopHap Estimate for 15 Alton St, Lowell, MA is $435,105 as of Oct 21, 2026. The likely range is $356,340 to $513,869. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 Alton St, Lowell, MA last sell?

15 Alton St, Lowell, MA last sold on Nov 25, 2025 for $415,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 15 Alton St, Lowell, MA?

15 Alton St, Lowell, MA has 2 bedrooms, 1.5 bathrooms and 1,155 square feet of living space.

When was 15 Alton St, Lowell, MA built?

15 Alton St, Lowell, MA was built in 2005, making it 21 years old. It is a condo/apartment home. The building has 3 stories.

What schools serve 15 Alton St, Lowell, MA?

15 Alton St, Lowell, MA is assigned to Moody Elementary School (elementary), rated D; Leblanc Therapeutic Day School (high); B.F. Butler Middle School (middle), rated D+. All sit in Lowell School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15 Alton St, Lowell, MA compare to other homes in Lowell 01852?

Among the 8,439 homes in Lowell 01852, it is worth more than 49% of them ($435,105 against a typical $437,682), its price per square foot is higher than 82% of them ($377 against a typical $307), it is bigger than 22% of them (1,155 ft² against a typical 1,536 ft²), its lot is bigger than 85% of them (0.85 ac against a typical 0.2 ac) and it is newer than 95% of them (2005 against a typical 1950). Measured against all of Middlesex County, it is worth more than 10% 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 15 Alton St, Lowell, MA?

The 2026 property tax bill for 15 Alton St, Lowell, MA was $4,266. The county assessed it at $375,900.

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