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CondominiumResidential
$687,574$328 / 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 81How 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 $515,000 on Feb 3, 2006

15 WILLIAM ST

STAMFORD, CT 06902
Building report
4
Beds
3.5
Baths
2,094 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.
2004
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$688K
$554K low$821K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$515,000 · Feb 3, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,582 (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.$358,790 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$358,790
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$358,790
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$251,153

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.36 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyWESTERN CONNECTICUT
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(3)

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 · 0.6 mi
H
Stamford High SchoolD
High · Grades 9–12 · 0.8 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

15 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.

  • Worth more than 73% of homes in East Side
  • Costs less per square foot than 86% of homes in Stamford 06902
  • Bigger than 65% of homes in East Side
  • Newer than 96% of homes in East Side

What homes are worth in Stamford 06902

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

This home
$202K$2.6M

This home is worth more than 56% of homes in Stamford 06902.

How it measures up in Stamford 06902

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

Estimated value$687,574
CheaperTypical $622,645Pricier

Pricier than 56% of homes nearby

Price per ft²$328
CheaperTypical $405Pricier

Pricier than 14% of homes nearby

Living area2,094 ft²
SmallerTypical 1,626 ft²Bigger

Bigger than 65% of homes nearby

Year built2004
OlderTypical 1962Newer

Newer than 93% of homes nearby

How 15 William St ranks against every home in each area.
MeasureThis homeEast SideStamford 06902Western Connecticut County
Estimated valuepricier than$687,57473% of homes56% of homes41% of homes
Price per ft²pricier than$32822% of homes14% of homes25% of homes
Living areabigger than2,094 ft²65% of homes65% of homes54% of homes
Year builtnewer than200496% of homes93% of homes92% of homes

About 15 William St

How much is 15 William St, Stamford, CT worth?

The TopHap Estimate for 15 William St, Stamford, CT is $687,574 as of Sep 24, 2026. The likely range is $553,667 to $821,481. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 William St, Stamford, CT last sell?

15 William St, Stamford, CT last sold on Feb 3, 2006 for $515,000, according to the county's recorded deed.

How big is 15 William St, Stamford, CT?

15 William St, Stamford, CT has 4 bedrooms, 3.5 bathrooms and 2,094 square feet of living space.

When was 15 William St, Stamford, CT built?

15 William St, Stamford, CT was built in 2004, making it 22 years old. It is a condo/apartment home. The building has 3 stories.

What schools serve 15 William St, Stamford, CT?

15 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 15 William St, Stamford, CT compare to other homes in Stamford 06902?

Among the 13,934 homes in Stamford 06902, it is worth more than 56% of them ($687,574 against a typical $622,645), its price per square foot is higher than 14% of them ($328 against a typical $405), it is bigger than 65% of them (2,094 ft² against a typical 1,626 ft²) and it is newer than 93% of them (2004 against a typical 1962). Measured against all of Western Connecticut County, it is worth more than 41% 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 15 William St, Stamford, CT?

The 2025 property tax bill for 15 William St, Stamford, CT was $8,582. The county assessed it at $358,790.

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Assigned schools

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