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CondominiumResidential
$649,000$586 / 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 Sep 24, 2026
Last sold for $630,000 on May 15, 2023

23 SHIRLEY ST

LEXINGTON, MA 02421
Building report
3
Beds
1
Baths
1,108 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$649K
$625K low$673K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$630,000 · May 15, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,595 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$617,000 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$617,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$597,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$688,465

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.

Foreclosure Filings(5)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
William Diamond Middle SchoolA+
Middle · Grades 6–8 · 0.7 mi
H
Lexingon High SchoolA+
High · Grades 9–12 · 0.8 mi
E
Maria Hastings Elementary SchoolA+
Elementary · Grades KG–5 · 1.1 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%

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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

23 Shirley St 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 least valuable homes in Lexington 02421
  • Costs less per square foot than 78% of homes in Lexington 02421
  • Smaller than 96% of homes in Lexington 02421
  • Has a smaller lot than 87% of homes in Lexington 02421
  • Older than 93% of homes in Lexington 02421

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
$820K$3.3M

This home is worth less than almost all 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$649,000
CheaperTypical $1,513,497Pricier

Cheaper than almost all homes nearby

Price per ft²$586
CheaperTypical $674Pricier

Pricier than 22% of homes nearby

Living area1,108 ft²
SmallerTypical 2,234 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.16 ac
SmallerTypical 0.36 acBigger

Bigger than 13% of homes nearby

Year built1900
OlderTypical 1958Newer

Newer than 7% of homes nearby

How 23 Shirley St ranks against every home in each area.
MeasureThis homeLexington 02421Middlesex County
Estimated valuepricier than$649,000almost no homes32% of homes
Price per ft²pricier than$58622% of homes74% of homes
Living areabigger than1,108 ft²4% of homes15% of homes
Lot sizebigger than0.16 ac13% of homes28% of homes
Year builtnewer than19007% of homes15% of homes

About 23 Shirley St

How much is 23 Shirley St, Lexington, MA worth?

The TopHap Estimate for 23 Shirley St, Lexington, MA is $649,000 as of Sep 24, 2026. The likely range is $625,109 to $672,891. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Shirley St, Lexington, MA last sell?

23 Shirley St, Lexington, MA last sold on May 15, 2023 for $630,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 23 Shirley St, Lexington, MA?

23 Shirley St, Lexington, MA has 3 bedrooms, 1 bathrooms and 1,108 square feet of living space.

When was 23 Shirley St, Lexington, MA built?

23 Shirley St, Lexington, MA was built in 1900, making it 126 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 23 Shirley St, Lexington, MA?

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

How does 23 Shirley St, Lexington, MA compare to other homes in Lexington 02421?

Among the 5,257 homes in Lexington 02421, it is worth more than almost none of them ($649,000 against a typical $1,513,497), its price per square foot is higher than 22% of them ($586 against a typical $674), it is bigger than 4% of them (1,108 ft² against a typical 2,234 ft²), its lot is bigger than 13% of them (0.16 ac against a typical 0.36 ac) and it is newer than 7% of them (1900 against a typical 1958). Measured against all of Middlesex County, it is worth more than 32% 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 23 Shirley St, Lexington, MA?

The 2026 property tax bill for 23 Shirley St, Lexington, MA was $7,595. The county assessed it at $617,000.

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