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Duplex (2 Units, Any Combination)Residential

20 RIVERSIDE AVE

STAMFORD, CT 06905
4
Beds
3
Baths
2,226 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.
1958
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,896 (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.$455,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$228,010
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$227,490
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$455,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$318,850

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.78 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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
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.1980
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.Asbestos
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.

M
Cloonan SchoolD+
Middle · Grades 6–8 · 0.5 mi
E
Stillmeadow SchoolC
Elementary · Grades KG–5 · 0.5 mi
H
Westhill High SchoolD
High · Grades 9–12 · 1.9 mi

District: Stamford School District

Neighborhood · ZIP 06905These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.95

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
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.25,946
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,098 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,763
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,609
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

20 Riverside Ave 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 75% of homes in Hubbard Heights
  • Has a smaller lot than 86% of homes in Western Connecticut County

How it measures up in Stamford 06905

The dot is this home. The mark in the middle is the typical home in Stamford 06905.

Living area2,226 ft²
SmallerTypical 1,838 ft²Bigger

Bigger than 69% of homes nearby

Lot size0.17 ac
SmallerTypical 0.26 acBigger

Bigger than 16% of homes nearby

Year built1958
OlderTypical 1957Newer

Newer than 55% of homes nearby

How 20 Riverside Ave ranks against every home in each area.
MeasureThis homeHubbard HeightsStamford 06905Western Connecticut County
Living areabigger than2,226 ft²75% of homes69% of homes58% of homes
Lot sizebigger than0.17 ac56% of homes16% of homes14% of homes
Year builtnewer than195852% of homes55% of homes37% of homes

About 20 Riverside Ave

When did 20 Riverside Ave, Stamford, CT last sell?

20 Riverside Ave, Stamford, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Riverside Ave, Stamford, CT?

20 Riverside Ave, Stamford, CT has 4 bedrooms, 3 bathrooms, 2,226 square feet of living space and a 0.17-acre lot.

When was 20 Riverside Ave, Stamford, CT built?

20 Riverside Ave, Stamford, CT was built in 1958, making it 68 years old. The building has 2 stories.

What schools serve 20 Riverside Ave, Stamford, CT?

20 Riverside Ave, Stamford, CT is assigned to Cloonan School (middle), rated D+; Stillmeadow 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 20 Riverside Ave, Stamford, CT compare to other homes in Stamford 06905?

Among the 6,289 homes in Stamford 06905, it is bigger than 69% of them (2,226 ft² against a typical 1,838 ft²), its lot is bigger than 16% of them (0.17 ac against a typical 0.26 ac) and it is newer than 55% of them (1958 against a typical 1957). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 20 Riverside Ave, Stamford, CT?

The 2025 property tax bill for 20 Riverside Ave, Stamford, CT was $10,896. The county assessed it at $455,500.

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