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Duplex (2 Units, Any Combination)Residential
Last sold for $750,000 on Nov 30, 2012

503 CONCORD AVE

LEXINGTON, MA 02421
6
Beds
5 / 1
Baths
4,124 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.
0.69 ac
Lot SizeThe size of the land the home sits on, from county records.
1761
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$750,000 · Nov 30, 2012
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$678,000
CAMBRIDGE SVGS BK · recorded Jul 3, 2020
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$250,000
CAMBRIDGE SAVINGS BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,266 (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.$1,330,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$684,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$646,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,330,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.69
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes

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.

H
Lexingon High SchoolA+
High · Grades 9–12 · 1.7 mi
E
Maria Hastings Elementary SchoolA+
Elementary · Grades KG–5 · 1.9 mi
M
William Diamond Middle SchoolA
Middle · Grades 6–8 · 3.1 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

503 Concord 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.

  • Bigger than 96% of homes in Middlesex County
  • Has a bigger lot than 86% of homes in Lexington 02421
  • Among the oldest 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 area4,124 ft²
SmallerTypical 2,212 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.69 ac
SmallerTypical 0.36 acBigger

Bigger than 86% of homes nearby

Year built1761
OlderTypical 1958Newer

Older than almost all homes nearby

How 503 Concord Ave ranks against every home in each area.
MeasureThis homeLexington 02421Middlesex County
Living areabigger than4,124 ft²90% of homes96% of homes
Lot sizebigger than0.69 ac86% of homes71% of homes
Year builtnewer than1761almost no homesalmost no homes

About 503 Concord Ave

When did 503 Concord Ave, Lexington, MA last sell?

503 Concord Ave, Lexington, MA last sold on Nov 30, 2012 for $750,000, according to the county's recorded deed.

How big is 503 Concord Ave, Lexington, MA?

503 Concord Ave, Lexington, MA has 6 bedrooms, 5 bathrooms, 4,124 square feet of living space and a 0.69-acre lot.

When was 503 Concord Ave, Lexington, MA built?

503 Concord Ave, Lexington, MA was built in 1761, making it 265 years old. The building has 2 stories.

What schools serve 503 Concord Ave, Lexington, MA?

503 Concord Ave, Lexington, MA is assigned to Lexingon High School (high), rated A+; Maria Hastings Elementary School (elementary), 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 503 Concord Ave, Lexington, MA compare to other homes in Lexington 02421?

Among the 5,257 homes in Lexington 02421, it is bigger than 90% of them (4,124 ft² against a typical 2,212 ft²), its lot is bigger than 86% of them (0.69 ac against a typical 0.36 ac) and it is newer than almost none of them (1761 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 503 Concord Ave, Lexington, MA?

The 2025 property tax bill for 503 Concord Ave, Lexington, MA was $16,266. The county assessed it at $1,330,000.

Closest homes

More homes in Lexington 02421

Assigned schools

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