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Industrial (General)Industrial
Last sold for $32,000,000 on Jul 30, 2019

4 HARTWELL PL

LEXINGTON, MA 02421
0
Baths
40,000 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.
4.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
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.$32,000,000 · Jul 30, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$468,970 (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.$19,331,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,364,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$15,967,000

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.67 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.1 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.Industrial (General)
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.4.60
ConstructionThe main material the home's frame and walls are built from.Steel Frame
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
HeatingThe type of heating system in the home.Hot Water
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.No Garage
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Joseph Estabrook Elementary SchoolA
Elementary · Grades KG–5 · 1.7 mi
M
William Diamond Middle SchoolA
Middle · Grades 6–8 · 1.9 mi
H
Lexingon High SchoolA+
High · Grades 9–12 · 2.3 mi

District: Lexington School District

Neighborhood · ZIP 02421These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.80

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.18,851
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,009 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$178,785
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$233,901
Average tempThe average temperature here across a full year.49°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

4 Hartwell Pl 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 largest homes in Lexington 02421
  • Among the largest lots in Lexington 02421
  • Newer than 69% of homes in Lexington 02421

How it measures up in Lexington 02421

The dot is this home. The mark in the middle is the typical home in Lexington 02421.

Living area40,000 ft²
SmallerTypical 2,221 ft²Bigger

Bigger than almost all homes nearby

Lot size4.6 ac
SmallerTypical 0.36 acBigger

Bigger than almost all homes nearby

Year built1975
OlderTypical 1958Newer

Newer than 69% of homes nearby

How 4 Hartwell Pl ranks against every home in each area.
MeasureThis homeLexington 02421Middlesex County
Living areabigger than40,000 ft²almost all homesalmost all homes
Lot sizebigger than4.6 acalmost all homes94% of homes
Year builtnewer than197569% of homes68% of homes

About 4 Hartwell Pl

When did 4 Hartwell Pl, Lexington, MA last sell?

4 Hartwell Pl, Lexington, MA last sold on Jul 30, 2019 for $32,000,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4 Hartwell Pl, Lexington, MA?

4 Hartwell Pl, Lexington, MA has 40,000 square feet of living space and a 4.60-acre lot.

When was 4 Hartwell Pl, Lexington, MA built?

4 Hartwell Pl, Lexington, MA was built in 1975, making it 51 years old. The building has 1 story.

What schools serve 4 Hartwell Pl, Lexington, MA?

4 Hartwell Pl, Lexington, MA is assigned to Joseph Estabrook Elementary School (elementary), rated A; William Diamond Middle School (middle), rated A; Lexingon High School (high), rated A+. All sit in Lexington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Hartwell Pl, Lexington, MA compare to other homes in Lexington 02421?

Among the 5,257 homes in Lexington 02421, it is bigger than almost all of them (40,000 ft² against a typical 2,221 ft²), its lot is bigger than almost all of them (4.6 ac against a typical 0.36 ac) and it is newer than 69% of them (1975 against a typical 1958). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4 Hartwell Pl, Lexington, MA?

The 2025 property tax bill for 4 Hartwell Pl, Lexington, MA was $468,970. The county assessed it at $19,331,000.

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