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Duplex (2 Units, Any Combination)Residential
Last sold for $279,900 on Aug 6, 2025

11 COSSETT ST

WATERBURY, CT 06704
6
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.
3,049 ft²
Lot SizeThe size of the land the home sits on, from county records.
1860
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.$279,900 · Aug 6, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,991 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$66,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,460
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$61,040
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$95,000

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.Duplex Single
CountyNAUGATUCK VALLEY
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.1965
Lot (acres)The size of the land the home sits on, from county records.0.07
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.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Walsh Elementary SchoolD
Elementary · Grades KG–5 · 0.1 mi
H
Crosby High SchoolF
High · Grades 9–12 · 3.1 mi
M
Wallace Middle SchoolC-
Middle · Grades 6–8 · 3.2 mi

District: Waterbury School District

Neighborhood · ZIP 06704These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.67

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.9%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.28%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.28,107
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,329 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$43,116
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,479
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.52 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 Cossett 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 76% of homes in Waterbury 06704
  • Has a smaller lot than 98% of homes in Naugatuck Valley County
  • Among the oldest homes in W.O.W

How it measures up in Waterbury 06704

The dot is this home. The mark in the middle is the typical home in Waterbury 06704.

Living area1,804 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 76% of homes nearby

Lot size3,049 ft²
SmallerTypical 0.17 acBigger

Bigger than 4% of homes nearby

Year built1860
OlderTypical 1956Newer

Older than almost all homes nearby

How 11 Cossett St ranks against every home in each area.
MeasureThis homeW.O.WWaterbury 06704Naugatuck Valley County
Living areabigger than1,804 ft²37% of homes76% of homes65% of homes
Lot sizebigger than3,049 ft²23% of homes4% of homes2% of homes
Year builtnewer than1860almost no homesalmost no homesalmost no homes

About 11 Cossett St

When did 11 Cossett St, Waterbury, CT last sell?

11 Cossett St, Waterbury, CT last sold on Aug 6, 2025 for $279,900, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 11 Cossett St, Waterbury, CT?

11 Cossett St, Waterbury, CT has 6 bedrooms, 2 bathrooms, 1,804 square feet of living space and a 0.07-acre lot.

When was 11 Cossett St, Waterbury, CT built?

11 Cossett St, Waterbury, CT was built in 1860, making it 166 years old. It is a duplex single home. The building has 2 stories.

What schools serve 11 Cossett St, Waterbury, CT?

11 Cossett St, Waterbury, CT is assigned to Walsh Elementary School (elementary), rated D; Crosby High School (high), rated F; Wallace Middle School (middle), rated C-. All sit in Waterbury School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Cossett St, Waterbury, CT compare to other homes in Waterbury 06704?

Among the 6,352 homes in Waterbury 06704, it is bigger than 76% of them (1,804 ft² against a typical 1,248 ft²), its lot is bigger than 4% of them (3,049 ft² against a typical 0.17 ac) and it is newer than almost none of them (1860 against a typical 1956). 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 Cossett St, Waterbury, CT?

The 2024 property tax bill for 11 Cossett St, Waterbury, CT was $2,991. The county assessed it at $66,500.

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