Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$401,371$451 / 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 91How 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 $400,000 on Aug 7, 2026

20 CAROLYN ST

LOWELL, MA 01850
3
Beds
1
Baths
890 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.
3,049 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.
1
StoriesHow many floors the home has above ground.

Valuation

$401K
$364K low$438K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · Aug 7, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,783 (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.$329,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$120,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$311,695

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.3 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.07
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
GreenhalgeC-
Elementary · Grades PK–4 · 0.2 mi
H
Lowell High SchoolC-
High · Grades 9–12 · 0.5 mi
M
Henry J Robinson Middle SchoolC-
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%

Owner Tools

Do you own this home?
Claim this home

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 Carolyn 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 93% of homes in Middlesex County
  • Costs more per square foot than 98% of homes in Lowell 01850
  • Smaller than 93% of homes in Middlesex County
  • Has a smaller lot than 96% of homes in Middlesex County
  • Older than 67% of homes in Middlesex County

What homes are worth in Lowell 01850

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

This home
$199K$631K

This home is worth more than 43% of homes in Lowell 01850.

How it measures up in Lowell 01850

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

Estimated value$401,371
CheaperTypical $417,944Pricier

Pricier than 43% of homes nearby

Price per ft²$451
CheaperTypical $302Pricier

Pricier than 98% of homes nearby

Living area890 ft²
SmallerTypical 1,554 ft²Bigger

Bigger than 11% of homes nearby

Lot size3,049 ft²
SmallerTypical 0.14 acBigger

Bigger than 15% of homes nearby

Year built1930
OlderTypical 1925Newer

Newer than 60% of homes nearby

How 20 Carolyn St ranks against every home in each area.
MeasureThis homeLowell 01850Middlesex County
Estimated valuepricier than$401,37143% of homes7% of homes
Price per ft²pricier than$45198% of homes48% of homes
Living areabigger than890 ft²11% of homes7% of homes
Lot sizebigger than3,049 ft²15% of homes4% of homes
Year builtnewer than193060% of homes33% of homes

About 20 Carolyn St

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

The TopHap Estimate for 20 Carolyn St, Lowell, MA is $401,371 as of Sep 24, 2026. The likely range is $364,454 to $438,288. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

20 Carolyn St, Lowell, MA last sold on Aug 7, 2026 for $400,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 20 Carolyn St, Lowell, MA?

20 Carolyn St, Lowell, MA has 3 bedrooms, 1 bathrooms, 890 square feet of living space and a 0.07-acre lot.

When was 20 Carolyn St, Lowell, MA built?

20 Carolyn St, Lowell, MA was built in 1930, making it 96 years old. It is a conventional home. The building has 1 story.

What schools serve 20 Carolyn St, Lowell, MA?

20 Carolyn St, Lowell, MA is assigned to Greenhalge (elementary), rated C-; Lowell High School (high), rated C-; Henry J Robinson Middle School (middle), rated C-. All sit in Lowell School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Carolyn St, Lowell, MA compare to other homes in Lowell 01850?

Among the 3,731 homes in Lowell 01850, it is worth more than 43% of them ($401,371 against a typical $417,944), its price per square foot is higher than 98% of them ($451 against a typical $302), it is bigger than 11% of them (890 ft² against a typical 1,554 ft²), its lot is bigger than 15% of them (3,049 ft² against a typical 0.14 ac) and it is newer than 60% of them (1930 against a typical 1925). Measured against all of Middlesex County, it is worth more than 7% 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 Carolyn St, Lowell, MA?

The 2025 property tax bill for 20 Carolyn St, Lowell, MA was $3,783. The county assessed it at $329,500.

More homes on Carolyn St

Closest homes

More homes in Lowell 01850

Assigned schools

Explore the area

See this home in context

Open 20 Carolyn St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map