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Single Family ResidenceResidential
$819,805$378 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $255,000 on Dec 30, 1997

146 HARTWELL AVE

LITTLETON, MA 01460
4
Beds
3 / 2
Baths
2,168 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.
0.92 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$820K
$790K low$849K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$255,000 · Dec 30, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,296 (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.$692,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$227,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$465,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$682,200

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.9 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.0.2 percent flood zone

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.Colonial
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.92
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(12)

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.

H
Littleton High SchoolA+
High · Grades 9–12 · 1.1 mi
M
Littleton Middle SchoolA
Middle · Grades 6–8 · 1.3 mi
E
Shaker Lane Elementary School
Elementary · Grades PK–2 · 2.9 mi

District: Littleton School District

Neighborhood · ZIP 01460These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.77

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
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.10,435
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.593 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,801
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,869
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

146 Hartwell 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.

  • Costs less per square foot than 73% of homes in Middlesex County
  • Has a bigger lot than 77% of homes in Middlesex County
  • Newer than 67% of homes in Middlesex County

What homes are worth in Littleton 01460

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

This home
$349K$1.3M

This home is worth more than 61% of homes in Littleton 01460.

How it measures up in Littleton 01460

The dot is this home. The mark in the middle is the typical home in Littleton 01460.

Estimated value$819,805
CheaperTypical $743,007Pricier

Pricier than 61% of homes nearby

Price per ft²$378
CheaperTypical $368Pricier

Pricier than 57% of homes nearby

Living area2,168 ft²
SmallerTypical 2,049 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.92 ac
SmallerTypical 0.92 acBigger

Bigger than 57% of homes nearby

Year built1973
OlderTypical 1977Newer

Newer than 47% of homes nearby

How 146 Hartwell Ave ranks against every home in each area.
MeasureThis homeLittleton 01460Middlesex County
Estimated valuepricier than$819,80561% of homes54% of homes
Price per ft²pricier than$37857% of homes27% of homes
Living areabigger than2,168 ft²55% of homes63% of homes
Lot sizebigger than0.92 ac57% of homes77% of homes
Year builtnewer than197347% of homes67% of homes

About 146 Hartwell Ave

How much is 146 Hartwell Ave, Littleton, MA worth?

The TopHap Estimate for 146 Hartwell Ave, Littleton, MA is $819,805 as of Aug 30, 2026. The likely range is $790,265 to $849,345. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 146 Hartwell Ave, Littleton, MA last sell?

146 Hartwell Ave, Littleton, MA last sold on Dec 30, 1997 for $255,000, according to the county's recorded deed.

How big is 146 Hartwell Ave, Littleton, MA?

146 Hartwell Ave, Littleton, MA has 4 bedrooms, 3 bathrooms, 2,168 square feet of living space and a 0.92-acre lot.

When was 146 Hartwell Ave, Littleton, MA built?

146 Hartwell Ave, Littleton, MA was built in 1973, making it 53 years old. It is a colonial home. The building has 2 stories.

What schools serve 146 Hartwell Ave, Littleton, MA?

146 Hartwell Ave, Littleton, MA is assigned to Littleton High School (high), rated A+; Littleton Middle School (middle), rated A; Shaker Lane Elementary School (elementary). All sit in Littleton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 146 Hartwell Ave, Littleton, MA compare to other homes in Littleton 01460?

Among the 3,400 homes in Littleton 01460, it is worth more than 61% of them ($819,805 against a typical $743,007), its price per square foot is higher than 57% of them ($378 against a typical $368), it is bigger than 55% of them (2,168 ft² against a typical 2,049 ft²), its lot is bigger than 57% of them (0.92 ac against a typical 0.92 ac) and it is newer than 47% of them (1973 against a typical 1977). Measured against all of Middlesex County, it is worth more than 54% 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 146 Hartwell Ave, Littleton, MA?

The 2025 property tax bill for 146 Hartwell Ave, Littleton, MA was $10,296. The county assessed it at $692,900.

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