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Duplex (2 Units, Any Combination)Residential
Last sold for $550,000 on Jul 7, 2023

128 WILLIAM ST

STAMFORD, CT 06902
4
Beds
2
Baths
2,092 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Jul 7, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,827 (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.$410,820 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$184,230
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$226,590
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$410,820
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$287,574

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.48%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyWESTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.12
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(1)

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
Rogers International SchoolC+
Elementary · Grades KG–8 · 0.3 mi
H
Stamford High SchoolD
High · Grades 9–12 · 0.9 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

128 William 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.

  • Bigger than 65% of homes in East Side
  • Has a smaller lot than 95% of homes in Western Connecticut County
  • Older than 92% 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 area2,092 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.12 ac
SmallerTypical 0.2 acBigger

Bigger than 17% of homes nearby

Year built1920
OlderTypical 1962Newer

Newer than 10% of homes nearby

How 128 William St ranks against every home in each area.
MeasureThis homeEast SideStamford 06902Western Connecticut County
Living areabigger than2,092 ft²65% of homes65% of homes54% of homes
Lot sizebigger than0.12 ac40% of homes17% of homes5% of homes
Year builtnewer than192030% of homes10% of homes8% of homes

About 128 William St

When did 128 William St, Stamford, CT last sell?

128 William St, Stamford, CT last sold on Jul 7, 2023 for $550,000, according to the county's recorded deed.

How big is 128 William St, Stamford, CT?

128 William St, Stamford, CT has 4 bedrooms, 2 bathrooms, 2,092 square feet of living space and a 0.12-acre lot.

When was 128 William St, Stamford, CT built?

128 William St, Stamford, CT was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 128 William St, Stamford, CT?

128 William St, Stamford, CT is assigned to Rogers International School (elementary), rated C+; Stamford 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 128 William St, Stamford, CT compare to other homes in Stamford 06902?

Among the 13,934 homes in Stamford 06902, it is bigger than 65% of them (2,092 ft² against a typical 1,632 ft²), its lot is bigger than 17% of them (0.12 ac against a typical 0.2 ac) and it is newer than 10% of them (1920 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 128 William St, Stamford, CT?

The 2025 property tax bill for 128 William St, Stamford, CT was $9,827. The county assessed it at $410,820.

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