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Single Family ResidenceResidential
$339,000$233 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $239,000 on Aug 1, 2007

165 PLATT ST

ANSONIA, CT 06401
3
Beds
1
Baths
1,456 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.
0.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1911
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$339K
$319K low$359K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$239,000 · Aug 1, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,682 (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.$164,010 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$46,340
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,670
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$164,010
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$234,300

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.Conventional
CountyNAUGATUCK VALLEY
Lot (acres)The size of the land the home sits on, from county records.0.56
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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(5)

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 SchoolC-
Elementary · Grades PK–5 · 0.6 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

165 Platt 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 80% of homes in Ansonia 06401
  • Costs less per square foot than 82% of homes in Ansonia 06401
  • Has a bigger lot than 93% of homes in Ansonia 06401
  • Older than 91% of homes in Naugatuck Valley County

What homes are worth in Ansonia 06401

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

This home
$215K$554K

This home is worth more than 20% 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.

Estimated value$339,000
CheaperTypical $390,023Pricier

Pricier than 20% of homes nearby

Price per ft²$233
CheaperTypical $294Pricier

Pricier than 18% of homes nearby

Living area1,456 ft²
SmallerTypical 1,488 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.56 ac
SmallerTypical 0.23 acBigger

Bigger than 93% of homes nearby

Year built1911
OlderTypical 1955Newer

Newer than 24% of homes nearby

How 165 Platt St ranks against every home in each area.
MeasureThis homeAnsonia 06401Naugatuck Valley County
Estimated valuepricier than$339,00020% of homes36% of homes
Price per ft²pricier than$23318% of homes32% of homes
Living areabigger than1,456 ft²48% of homes48% of homes
Lot sizebigger than0.56 ac93% of homes62% of homes
Year builtnewer than191124% of homes9% of homes

About 165 Platt St

How much is 165 Platt St, Ansonia, CT worth?

The TopHap Estimate for 165 Platt St, Ansonia, CT is $339,000 as of Aug 30, 2026. The likely range is $319,304 to $358,696. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 165 Platt St, Ansonia, CT last sell?

165 Platt St, Ansonia, CT last sold on Aug 1, 2007 for $239,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 165 Platt St, Ansonia, CT?

165 Platt St, Ansonia, CT has 3 bedrooms, 1 bathrooms, 1,456 square feet of living space and a 0.56-acre lot.

When was 165 Platt St, Ansonia, CT built?

165 Platt St, Ansonia, CT was built in 1911, making it 115 years old. It is a conventional home. The building has 2 stories.

What schools serve 165 Platt St, Ansonia, CT?

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

How does 165 Platt St, Ansonia, CT compare to other homes in Ansonia 06401?

Among the 5,259 homes in Ansonia 06401, it is worth more than 20% of them ($339,000 against a typical $390,023), its price per square foot is higher than 18% of them ($233 against a typical $294), it is bigger than 48% of them (1,456 ft² against a typical 1,488 ft²), its lot is bigger than 93% of them (0.56 ac against a typical 0.23 ac) and it is newer than 24% of them (1911 against a typical 1955). Measured against all of Naugatuck Valley County, it is worth more than 36% 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 165 Platt St, Ansonia, CT?

The 2025 property tax bill for 165 Platt St, Ansonia, CT was $4,682. The county assessed it at $164,010.

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