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Single Family ResidenceResidential
$2,238,025$373 / 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 85How 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

1 OPI CIR

LEXINGTON, MA 02420
4
Beds
3.5
Baths
6,003 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.
1.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.2M
$1.9M low$2.6M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,923 (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.$1,302,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$443,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$859,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,714,880

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.Mansion
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.1.61
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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.Greenhouse

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
Fiske Elementary SchoolA
Elementary · Grades KG–5 · 0.9 mi
M
William Diamond Middle SchoolA
Middle · Grades 6–8 · 1.1 mi
H
Lexingon High SchoolA+
High · Grades 9–12 · 2.1 mi

District: Lexington School District

Neighborhood · ZIP 02420These 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.13
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
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.16,303
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,192 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$199,197
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$278,860
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

1 Opi Cir 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 more than 96% of homes in Middlesex County
  • Among the lowest price per square foot in Lexington 02420
  • Among the largest homes in Middlesex County
  • Has a bigger lot than 96% of homes in Lexington 02420
  • Newer than 82% of homes in Middlesex County

What homes are worth in Lexington 02420

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

This home
$552K$4.1M

This home is worth more than 79% of homes in Lexington 02420.

How it measures up in Lexington 02420

The dot is this home. The mark in the middle is the typical home in Lexington 02420.

Estimated value$2,238,025
CheaperTypical $1,503,878Pricier

Pricier than 79% of homes nearby

Price per ft²$373
CheaperTypical $672Pricier

Cheaper than almost all homes nearby

Living area6,003 ft²
SmallerTypical 2,152 ft²Bigger

Bigger than 98% of homes nearby

Lot size1.61 ac
SmallerTypical 0.37 acBigger

Bigger than 96% of homes nearby

Year built1991
OlderTypical 1962Newer

Newer than 75% of homes nearby

How 1 Opi Cir ranks against every home in each area.
MeasureThis homeLexington 02420Middlesex County
Estimated valuepricier than$2,238,02579% of homes96% of homes
Price per ft²pricier than$373almost no homes25% of homes
Living areabigger than6,003 ft²98% of homesalmost all homes
Lot sizebigger than1.61 ac96% of homes87% of homes
Year builtnewer than199175% of homes82% of homes

About 1 Opi Cir

How much is 1 Opi Cir, Lexington, MA worth?

The TopHap Estimate for 1 Opi Cir, Lexington, MA is $2,238,025 as of Aug 30, 2026. The likely range is $1,905,363 to $2,570,687. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1 Opi Cir, Lexington, MA last sell?

1 Opi Cir, Lexington, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1 Opi Cir, Lexington, MA?

1 Opi Cir, Lexington, MA has 4 bedrooms, 3.5 bathrooms, 6,003 square feet of living space and a 1.61-acre lot.

When was 1 Opi Cir, Lexington, MA built?

1 Opi Cir, Lexington, MA was built in 1991, making it 35 years old. It is a mansion home. The building has 2 stories.

What schools serve 1 Opi Cir, Lexington, MA?

1 Opi Cir, Lexington, MA is assigned to Fiske 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 1 Opi Cir, Lexington, MA compare to other homes in Lexington 02420?

Among the 5,175 homes in Lexington 02420, it is worth more than 79% of them ($2,238,025 against a typical $1,503,878), its price per square foot is higher than almost none of them ($373 against a typical $672), it is bigger than 98% of them (6,003 ft² against a typical 2,152 ft²), its lot is bigger than 96% of them (1.61 ac against a typical 0.37 ac) and it is newer than 75% of them (1991 against a typical 1962). Measured against all of Middlesex County, it is worth more than 96% 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 1 Opi Cir, Lexington, MA?

The 2025 property tax bill for 1 Opi Cir, Lexington, MA was $15,923. The county assessed it at $1,302,000.

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