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Single Family ResidenceResidential
$262,834$211 / 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 83How 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 $244,000 on Sep 23, 2025

20 COSSETT ST

WATERBURY, CT 06704
3
Beds
1.5
Baths
1,244 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.
3,485 ft²
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$263K
$217K low$308K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$244,000 · Sep 23, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,013 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$69,510 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$63,560
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$66,150
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$257,272

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
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.2005
Lot (acres)The size of the land the home sits on, from county records.0.08
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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(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
Walsh Elementary SchoolF
Elementary · Grades KG–5 · 0.1 mi
H
Crosby High SchoolF
High · Grades 9–12 · 3.1 mi
M
Wallace Middle SchoolD+
Middle · Grades 6–8 · 3.1 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

20 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.

  • Worth less than 86% of homes in Naugatuck Valley County
  • Costs less per square foot than 81% of homes in Naugatuck Valley County
  • Smaller than 78% of homes in W.O.W
  • Has a smaller lot than 97% of homes in Naugatuck Valley County
  • Newer than 95% of homes in Waterbury 06704

What homes are worth in Waterbury 06704

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

This home
$97K$418K

This home is worth more than 50% of homes in Waterbury 06704.

How it measures up in Waterbury 06704

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

Estimated value$262,834
CheaperTypical $263,812Pricier

Pricier than 50% of homes nearby

Price per ft²$211
CheaperTypical $206Pricier

Pricier than 53% of homes nearby

Living area1,244 ft²
SmallerTypical 1,260 ft²Bigger

Bigger than 49% of homes nearby

Lot size3,485 ft²
SmallerTypical 0.17 acBigger

Bigger than 5% of homes nearby

Year built1996
OlderTypical 1956Newer

Newer than 95% of homes nearby

How 20 Cossett St ranks against every home in each area.
MeasureThis homeW.O.WWaterbury 06704Naugatuck Valley County
Estimated valuepricier than$262,83468% of homes50% of homes14% of homes
Price per ft²pricier than$21173% of homes53% of homes19% of homes
Living areabigger than1,244 ft²22% of homes49% of homes32% of homes
Lot sizebigger than3,485 ft²29% of homes5% of homes3% of homes
Year builtnewer than199691% of homes95% of homes87% of homes

About 20 Cossett St

How much is 20 Cossett St, Waterbury, CT worth?

The TopHap Estimate for 20 Cossett St, Waterbury, CT is $262,834 as of Sep 24, 2026. The likely range is $217,479 to $308,189. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Cossett St, Waterbury, CT last sell?

20 Cossett St, Waterbury, CT last sold on Sep 23, 2025 for $244,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 Cossett St, Waterbury, CT?

20 Cossett St, Waterbury, CT has 3 bedrooms, 1.5 bathrooms, 1,244 square feet of living space and a 0.08-acre lot.

When was 20 Cossett St, Waterbury, CT built?

20 Cossett St, Waterbury, CT was built in 1996, making it 30 years old. It is a colonial home. The building has 2 stories.

What schools serve 20 Cossett St, Waterbury, CT?

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

How does 20 Cossett St, Waterbury, CT compare to other homes in Waterbury 06704?

Among the 6,352 homes in Waterbury 06704, it is worth more than 50% of them ($262,834 against a typical $263,812), its price per square foot is higher than 53% of them ($211 against a typical $206), it is bigger than 49% of them (1,244 ft² against a typical 1,260 ft²), its lot is bigger than 5% of them (3,485 ft² against a typical 0.17 ac) and it is newer than 95% of them (1996 against a typical 1956). Measured against all of Naugatuck Valley County, it is worth more than 14% 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 20 Cossett St, Waterbury, CT?

The 2026 property tax bill for 20 Cossett St, Waterbury, CT was $3,013. The county assessed it at $69,510.

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