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Duplex (2 Units, Any Combination)Residential
Last sold for $297,000 on Feb 28, 2019

20 RIVERSIDE AVE

LOWELL, MA 01850
5
Beds
2
Baths
1,850 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.
1,742 ft²
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$297,000 · Feb 28, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,734 (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.$417,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$104,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$313,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$394,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$565,871

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.04
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(14)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
GreenhalgeD-
Elementary · Grades PK–4 · 0.3 mi
H
Lowell High SchoolD
High · Grades 9–12 · 0.4 mi
M
Henry J Robinson Middle SchoolD-
Middle · Grades 5–8 · 0.6 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

20 Riverside Ave 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.

  • Among the smallest lots in Middlesex County
  • Older than 68% of homes in Middlesex County

How it measures up in Lowell 01850

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

Living area1,850 ft²
SmallerTypical 1,572 ft²Bigger

Bigger than 62% of homes nearby

Lot size1,742 ft²
SmallerTypical 0.14 acBigger

Bigger than 2% of homes nearby

Year built1930
OlderTypical 1925Newer

Newer than 60% of homes nearby

How 20 Riverside Ave ranks against every home in each area.
MeasureThis homeLowell 01850Middlesex County
Living areabigger than1,850 ft²62% of homes50% of homes
Lot sizebigger than1,742 ft²2% of homesalmost no homes
Year builtnewer than193060% of homes32% of homes

About 20 Riverside Ave

When did 20 Riverside Ave, Lowell, MA last sell?

20 Riverside Ave, Lowell, MA last sold on Feb 28, 2019 for $297,000, according to the county's recorded deed. TopHap holds 10 recorded sales for this parcel.

How big is 20 Riverside Ave, Lowell, MA?

20 Riverside Ave, Lowell, MA has 5 bedrooms, 2 bathrooms, 1,850 square feet of living space and a 0.04-acre lot.

When was 20 Riverside Ave, Lowell, MA built?

20 Riverside Ave, Lowell, MA was built in 1930, making it 96 years old. It is a duplex single home. The building has 2 stories.

What schools serve 20 Riverside Ave, Lowell, MA?

20 Riverside Ave, Lowell, MA is assigned to Greenhalge (elementary), rated D-; Lowell High School (high), rated D; Henry J Robinson 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 20 Riverside Ave, Lowell, MA compare to other homes in Lowell 01850?

Among the 3,731 homes in Lowell 01850, it is bigger than 62% of them (1,850 ft² against a typical 1,572 ft²), its lot is bigger than 2% of them (1,742 ft² against a typical 0.14 ac) and it is newer than 60% of them (1930 against a typical 1925). 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 Riverside Ave, Lowell, MA?

The 2026 property tax bill for 20 Riverside Ave, Lowell, MA was $4,734. The county assessed it at $417,100.

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