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Duplex (2 Units, Any Combination)Residential

21 CLAREMONT ST

STAMFORD, CT 06902
2
Beds
2
Baths
1,804 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.
1928
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,144 (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.$424,090 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$217,720
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$206,370
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$424,090
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$296,863

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyWESTERN CONNECTICUT
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.1950
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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.

M
Cloonan SchoolD+
Middle · Grades 6–8 · 1.8 mi
E
Roxbury SchoolC-
Elementary · Grades KG–5 · 3.9 mi
H
Westhill High SchoolD
High · Grades 9–12 · 4.1 mi

District: Stamford School District

Neighborhood · ZIP 06902These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.100

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.76,374
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,275 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,174
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,005
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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 Claremont 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.

  • Has a smaller lot than 88% of homes in Western Connecticut County
  • Older than 88% of homes in Western Connecticut County

How it measures up in Stamford 06902

The dot is this home. The mark in the middle is the typical home in Stamford 06902.

Living area1,804 ft²
SmallerTypical 1,622 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.17 ac
SmallerTypical 0.2 acBigger

Bigger than 40% of homes nearby

Year built1928
OlderTypical 1962Newer

Newer than 17% of homes nearby

How 21 Claremont St ranks against every home in each area.
MeasureThis homeWatersideStamford 06902Western Connecticut County
Living areabigger than1,804 ft²50% of homes57% of homes44% of homes
Lot sizebigger than0.17 ac59% of homes40% of homes12% of homes
Year builtnewer than192821% of homes17% of homes12% of homes

About 21 Claremont St

When did 21 Claremont St, Stamford, CT last sell?

21 Claremont St, Stamford, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Claremont St, Stamford, CT?

21 Claremont St, Stamford, CT has 2 bedrooms, 2 bathrooms, 1,804 square feet of living space and a 0.17-acre lot.

When was 21 Claremont St, Stamford, CT built?

21 Claremont St, Stamford, CT was built in 1928, making it 98 years old. The building has 2 stories.

What schools serve 21 Claremont St, Stamford, CT?

21 Claremont St, Stamford, CT is assigned to Cloonan School (middle), rated D+; Roxbury School (elementary), rated C-; Westhill High School (high), rated D. All sit in Stamford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Claremont St, Stamford, CT compare to other homes in Stamford 06902?

Among the 13,934 homes in Stamford 06902, it is bigger than 57% of them (1,804 ft² against a typical 1,622 ft²), its lot is bigger than 40% of them (0.17 ac against a typical 0.2 ac) and it is newer than 17% of them (1928 against a typical 1962). 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 Claremont St, Stamford, CT?

The 2025 property tax bill for 21 Claremont St, Stamford, CT was $10,144. The county assessed it at $424,090.

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