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Duplex (2 Units, Any Combination)Residential

11 OBRIEN ST

NORWALK, CT 06851
6
Beds
3 / 2
Baths
2,132 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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.$9,860 (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.$412,560 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$137,590
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$274,970
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$412,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$288,792

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Colonial
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.1984
Lot (acres)The size of the land the home sits on, from county records.0.14
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.Baseboard
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Tracey Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
M
West Rocks Middle SchoolC+
Middle · Grades 6–8 · 0.5 mi
H
Norwalk High SchoolD+
High · Grades 9–12 · 1.5 mi

District: Norwalk School District

Neighborhood · ZIP 06851These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.31,871
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,096 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,256
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$139,232
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

11 Obrien 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 79% of homes in Norwalk 06851
  • Has a smaller lot than 94% of homes in Western Connecticut County
  • Newer than 81% of homes in Norwalk 06851

How it measures up in Norwalk 06851

The dot is this home. The mark in the middle is the typical home in Norwalk 06851.

Living area2,132 ft²
SmallerTypical 1,488 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.14 ac
SmallerTypical 0.29 acBigger

Bigger than 10% of homes nearby

Year built1980
OlderTypical 1960Newer

Newer than 81% of homes nearby

How 11 Obrien St ranks against every home in each area.
MeasureThis homeNorwalk 06851Western Connecticut County
Living areabigger than2,132 ft²79% of homes54% of homes
Lot sizebigger than0.14 ac10% of homes6% of homes
Year builtnewer than198081% of homes69% of homes

About 11 Obrien St

When did 11 Obrien St, Norwalk, CT last sell?

11 Obrien St, Norwalk, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 11 Obrien St, Norwalk, CT?

11 Obrien St, Norwalk, CT has 6 bedrooms, 3 bathrooms, 2,132 square feet of living space and a 0.14-acre lot.

When was 11 Obrien St, Norwalk, CT built?

11 Obrien St, Norwalk, CT was built in 1980, making it 46 years old. It is a colonial home. The building has 2 stories.

What schools serve 11 Obrien St, Norwalk, CT?

11 Obrien St, Norwalk, CT is assigned to Tracey Elementary School (elementary), rated C+; West Rocks Middle School (middle), rated C+; Norwalk High School (high), rated D+. All sit in Norwalk School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Obrien St, Norwalk, CT compare to other homes in Norwalk 06851?

Among the 8,852 homes in Norwalk 06851, it is bigger than 79% of them (2,132 ft² against a typical 1,488 ft²), its lot is bigger than 10% of them (0.14 ac against a typical 0.29 ac) and it is newer than 81% of them (1980 against a typical 1960). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 11 Obrien St, Norwalk, CT?

The 2025 property tax bill for 11 Obrien St, Norwalk, CT was $9,860. The county assessed it at $412,560.

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