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Duplex (2 Units, Any Combination)Residential
Last sold for $190,000 on Dec 23, 1988

2 WILLIAM ST

ANSONIA, CT 06401
4
Beds
3 / 2
Baths
1,980 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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.$190,000 · Dec 23, 1988

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,714 (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.$193,970 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,960
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$157,010
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$193,970
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$375,659

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
Lot (acres)The size of the land the home sits on, from county records.0.10
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.Hot Water
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(2)

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
Prendergast SchoolD
Elementary · Grades PK–5 · 1.0 mi

District: Ansonia School District

Neighborhood · ZIP 06401These 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.148
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.19,793
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,088 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,317
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,812
Average tempThe average temperature here across a full year.50°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

2 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.

  • Bigger than 73% of homes in Ansonia 06401
  • Has a smaller lot than 96% of homes in Ansonia 06401
  • Newer than 90% of homes in Ansonia 06401

How it measures up in Ansonia 06401

The dot is this home. The mark in the middle is the typical home in Ansonia 06401.

Living area1,980 ft²
SmallerTypical 1,488 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.1 ac
SmallerTypical 0.23 acBigger

Bigger than 4% of homes nearby

Year built1988
OlderTypical 1955Newer

Newer than 90% of homes nearby

How 2 William St ranks against every home in each area.
MeasureThis homeAnsonia 06401Naugatuck Valley County
Living areabigger than1,980 ft²73% of homes70% of homes
Lot sizebigger than0.1 ac4% of homes4% of homes
Year builtnewer than198890% of homes79% of homes

About 2 William St

When did 2 William St, Ansonia, CT last sell?

2 William St, Ansonia, CT last sold on Dec 23, 1988 for $190,000, according to the county's recorded deed.

How big is 2 William St, Ansonia, CT?

2 William St, Ansonia, CT has 4 bedrooms, 3 bathrooms, 1,980 square feet of living space and a 0.10-acre lot.

When was 2 William St, Ansonia, CT built?

2 William St, Ansonia, CT was built in 1988, making it 38 years old. It is a duplex single home. The building has 2 stories.

What schools serve 2 William St, Ansonia, CT?

2 William St, Ansonia, CT is assigned to Prendergast School (elementary), rated D. All sit in Ansonia School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2 William St, Ansonia, CT compare to other homes in Ansonia 06401?

Among the 5,259 homes in Ansonia 06401, it is bigger than 73% of them (1,980 ft² against a typical 1,488 ft²), its lot is bigger than 4% of them (0.1 ac against a typical 0.23 ac) and it is newer than 90% of them (1988 against a typical 1955). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 2 William St, Ansonia, CT?

The 2026 property tax bill for 2 William St, Ansonia, CT was $5,714. The county assessed it at $193,970.

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