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Single Family ResidenceResidential
$1,218,313$240 / 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 94How 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 $650,000 on Oct 30, 2018

21 BALDWIN ST

WINCHESTER, MA 01890
5
Beds
4.5
Baths
5,073 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
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

$1.2M
$1.1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$650,000 · Oct 30, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,451 (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.$1,845,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$531,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,314,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,504,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,725,321

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.Colonial
CountyMIDDLESEX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2024
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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

Transaction History(4)

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
Winchester High SchoolA+
High · Grades 9–12 · 0.8 mi
E
Lynch Elementary SchoolA
Elementary · Grades KG–5 · 1.1 mi
M
McCall Middle SchoolA+
Middle · Grades 6–8 · 1.3 mi

District: Winchester School District

Neighborhood · ZIP 01890These 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.23
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
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.23,604
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,661 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$195,899
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$255,940
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

21 Baldwin 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.

  • Worth more than 81% of homes in Middlesex County
  • Among the lowest price per square foot in Winchester 01890
  • Bigger than 98% of homes in Middlesex County
  • Has a smaller lot than 81% of homes in Winchester 01890

What homes are worth in Winchester 01890

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

This home
$351K$3.6M

This home is worth more than 31% of homes in Winchester 01890.

How it measures up in Winchester 01890

The dot is this home. The mark in the middle is the typical home in Winchester 01890.

Estimated value$1,218,313
CheaperTypical $1,514,206Pricier

Pricier than 31% of homes nearby

Price per ft²$240
CheaperTypical $582Pricier

Cheaper than almost all homes nearby

Living area5,073 ft²
SmallerTypical 2,634 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.17 ac
SmallerTypical 0.27 acBigger

Bigger than 19% of homes nearby

Year built1948
OlderTypical 1952Newer

Newer than 44% of homes nearby

How 21 Baldwin St ranks against every home in each area.
MeasureThis homeWinchester 01890Middlesex County
Estimated valuepricier than$1,218,31331% of homes81% of homes
Price per ft²pricier than$240almost no homes3% of homes
Living areabigger than5,073 ft²92% of homes98% of homes
Lot sizebigger than0.17 ac19% of homes30% of homes
Year builtnewer than194844% of homes39% of homes

About 21 Baldwin St

How much is 21 Baldwin St, Winchester, MA worth?

The TopHap Estimate for 21 Baldwin St, Winchester, MA is $1,218,313 as of Sep 24, 2026. The likely range is $1,141,898 to $1,294,728. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Baldwin St, Winchester, MA last sell?

21 Baldwin St, Winchester, MA last sold on Oct 30, 2018 for $650,000, according to the county's recorded deed.

How big is 21 Baldwin St, Winchester, MA?

21 Baldwin St, Winchester, MA has 5 bedrooms, 4.5 bathrooms, 5,073 square feet of living space and a 0.17-acre lot.

When was 21 Baldwin St, Winchester, MA built?

21 Baldwin St, Winchester, MA was built in 1948, making it 78 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Baldwin St, Winchester, MA?

21 Baldwin St, Winchester, MA is assigned to Winchester High School (high), rated A+; Lynch Elementary School (elementary), rated A; McCall Middle School (middle), rated A+. All sit in Winchester School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Baldwin St, Winchester, MA compare to other homes in Winchester 01890?

Among the 7,523 homes in Winchester 01890, it is worth more than 31% of them ($1,218,313 against a typical $1,514,206), its price per square foot is higher than almost none of them ($240 against a typical $582), it is bigger than 92% of them (5,073 ft² against a typical 2,634 ft²), its lot is bigger than 19% of them (0.17 ac against a typical 0.27 ac) and it is newer than 44% of them (1948 against a typical 1952). Measured against all of Middlesex County, it is worth more than 81% 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 21 Baldwin St, Winchester, MA?

The 2026 property tax bill for 21 Baldwin St, Winchester, MA was $20,451. The county assessed it at $1,845,800.

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