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Triplex (3 Units, Any Combination)Residential

25 PROSPECT ST

ANSONIA, CT 06401
5
Beds
3.5
Baths
3,839 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1865
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
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.$8,218 (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.$278,950 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$242,550
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$278,950
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$398,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
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.1980
Lot (acres)The size of the land the home sits on, from county records.0.50
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

Transaction History(1)

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 · 1.3 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

25 Prospect 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.

  • Among the largest homes in Ansonia 06401
  • Has a bigger lot than 90% of homes in Ansonia 06401
  • Among the oldest 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 area3,839 ft²
SmallerTypical 1,492 ft²Bigger

Bigger than almost all homes nearby

Lot size0.5 ac
SmallerTypical 0.24 acBigger

Bigger than 90% of homes nearby

Year built1865
OlderTypical 1955Newer

Older than almost all homes nearby

How 25 Prospect St ranks against every home in each area.
MeasureThis homeAnsonia 06401Naugatuck Valley County
Living areabigger than3,839 ft²almost all homes98% of homes
Lot sizebigger than0.5 ac90% of homes59% of homes
Year builtnewer than1865almost no homesalmost no homes

About 25 Prospect St

When did 25 Prospect St, Ansonia, CT last sell?

25 Prospect St, Ansonia, CT last sold on Apr 26, 2010, according to the county's recorded deed.

How big is 25 Prospect St, Ansonia, CT?

25 Prospect St, Ansonia, CT has 5 bedrooms, 3.5 bathrooms, 3,839 square feet of living space and a 0.50-acre lot.

When was 25 Prospect St, Ansonia, CT built?

25 Prospect St, Ansonia, CT was built in 1865, making it 161 years old. The building has 2 stories.

What schools serve 25 Prospect St, Ansonia, CT?

25 Prospect 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 25 Prospect St, Ansonia, CT compare to other homes in Ansonia 06401?

Among the 5,259 homes in Ansonia 06401, it is bigger than almost all of them (3,839 ft² against a typical 1,492 ft²), its lot is bigger than 90% of them (0.5 ac against a typical 0.24 ac) and it is newer than almost none of them (1865 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 25 Prospect St, Ansonia, CT?

The 2026 property tax bill for 25 Prospect St, Ansonia, CT was $8,218. The county assessed it at $278,950.

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