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Single Family ResidenceResidential
$2,115,589$384 / 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 73How 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

664 MARRETT RD

LEXINGTON, MA 02421
5
Beds
4
Baths
5,515 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.
0.63 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
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

$2.1M
$1.6M low$2.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$29,768 (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.$2,434,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$786,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,648,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,403,880

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.0.63
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
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Deck

Transaction History(5)

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
Maria Hastings Elementary SchoolA+
Elementary · Grades KG–5 · 0.3 mi
H
Lexingon High SchoolA+
High · Grades 9–12 · 1.0 mi
M
William Diamond Middle SchoolA
Middle · Grades 6–8 · 2.0 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%

Owner Tools

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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

664 Marrett Rd 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 95% of homes in Middlesex County
  • Among the lowest price per square foot in Lexington 02421
  • Among the largest homes in Lexington 02421
  • Has a bigger lot than 83% of homes in Lexington 02421
  • Newer than 94% of homes in Middlesex County

What homes are worth in Lexington 02421

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

This home
$748K$3.3M

This home is worth more than 81% 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.

Estimated value$2,115,589
CheaperTypical $1,487,849Pricier

Pricier than 81% of homes nearby

Price per ft²$384
CheaperTypical $668Pricier

Cheaper than almost all homes nearby

Living area5,515 ft²
SmallerTypical 2,212 ft²Bigger

Bigger than almost all homes nearby

Lot size0.63 ac
SmallerTypical 0.36 acBigger

Bigger than 83% of homes nearby

Year built2012
OlderTypical 1958Newer

Newer than 90% of homes nearby

How 664 Marrett Rd ranks against every home in each area.
MeasureThis homeLexington 02421Middlesex County
Estimated valuepricier than$2,115,58981% of homes95% of homes
Price per ft²pricier than$384almost no homes28% of homes
Living areabigger than5,515 ft²almost all homesalmost all homes
Lot sizebigger than0.63 ac83% of homes70% of homes
Year builtnewer than201290% of homes94% of homes

About 664 Marrett Rd

How much is 664 Marrett Rd, Lexington, MA worth?

The TopHap Estimate for 664 Marrett Rd, Lexington, MA is $2,115,589 as of Aug 30, 2026. The likely range is $1,553,546 to $2,677,632. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 664 Marrett Rd, Lexington, MA last sell?

664 Marrett Rd, Lexington, MA last sold on May 29, 2018, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 664 Marrett Rd, Lexington, MA?

664 Marrett Rd, Lexington, MA has 5 bedrooms, 4 bathrooms, 5,515 square feet of living space and a 0.63-acre lot.

When was 664 Marrett Rd, Lexington, MA built?

664 Marrett Rd, Lexington, MA was built in 2012, making it 14 years old. It is a mansion home. The building has 2 stories.

What schools serve 664 Marrett Rd, Lexington, MA?

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

How does 664 Marrett Rd, Lexington, MA compare to other homes in Lexington 02421?

Among the 5,257 homes in Lexington 02421, it is worth more than 81% of them ($2,115,589 against a typical $1,487,849), its price per square foot is higher than almost none of them ($384 against a typical $668), it is bigger than almost all of them (5,515 ft² against a typical 2,212 ft²), its lot is bigger than 83% of them (0.63 ac against a typical 0.36 ac) and it is newer than 90% of them (2012 against a typical 1958). Measured against all of Middlesex County, it is worth more than 95% 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 664 Marrett Rd, Lexington, MA?

The 2025 property tax bill for 664 Marrett Rd, Lexington, MA was $29,768. The county assessed it at $2,434,000.

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