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Single Family ResidenceResidential
$322,988$385 / 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

21 HYDELOR AVE

PROSPECT, CT 06712
2
Beds
1
Baths
838 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
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

$323K
$305K low$341K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,855 (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.$150,780 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$49,770
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$101,010
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$99,440
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$215,400

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.Ranch
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.1985
Lot (acres)The size of the land the home sits on, from county records.0.19
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
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Long River Middle SchoolB
Middle · Grades 6–8 · 0.6 mi
E
Prospect Elementary SchoolB+
Elementary · Grades KG–5 · 1.1 mi
H
Woodland Regional High SchoolB
High · Grades 9–12 · 7.5 mi

District: Regional School District 16

Neighborhood · ZIP 06712These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.9,938
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.690 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,145
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,530
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

21 Hydelor Ave 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 95% of homes in Prospect 06712
  • Costs more per square foot than 96% of homes in Prospect 06712
  • Smaller than 98% of homes in Prospect 06712
  • Among the smallest lots in Prospect 06712
  • Older than 93% of homes in Prospect 06712

What homes are worth in Prospect 06712

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

This home
$297K$736K

This home is worth more than 5% of homes in Prospect 06712.

How it measures up in Prospect 06712

The dot is this home. The mark in the middle is the typical home in Prospect 06712.

Estimated value$322,988
CheaperTypical $477,741Pricier

Pricier than 5% of homes nearby

Price per ft²$385
CheaperTypical $277Pricier

Pricier than 96% of homes nearby

Living area838 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.19 ac
SmallerTypical 0.93 acBigger

Smaller than almost all homes nearby

Year built1947
OlderTypical 1983Newer

Newer than 7% of homes nearby

How 21 Hydelor Ave ranks against every home in each area.
MeasureThis homeProspect 06712Naugatuck Valley County
Estimated valuepricier than$322,9885% of homes31% of homes
Price per ft²pricier than$38596% of homes96% of homes
Living areabigger than838 ft²2% of homes3% of homes
Lot sizebigger than0.19 acalmost no homes20% of homes
Year builtnewer than19477% of homes23% of homes

About 21 Hydelor Ave

How much is 21 Hydelor Ave, Prospect, CT worth?

The TopHap Estimate for 21 Hydelor Ave, Prospect, CT is $322,988 as of Aug 30, 2026. The likely range is $304,880 to $341,096. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Hydelor Ave, Prospect, CT last sell?

21 Hydelor Ave, Prospect, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Hydelor Ave, Prospect, CT?

21 Hydelor Ave, Prospect, CT has 2 bedrooms, 1 bathrooms, 838 square feet of living space and a 0.19-acre lot.

When was 21 Hydelor Ave, Prospect, CT built?

21 Hydelor Ave, Prospect, CT was built in 1947, making it 79 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Hydelor Ave, Prospect, CT?

21 Hydelor Ave, Prospect, CT is assigned to Long River Middle School (middle), rated B; Prospect Elementary School (elementary), rated B+; Woodland Regional High School (high), rated B. All sit in Regional School District 16. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Hydelor Ave, Prospect, CT compare to other homes in Prospect 06712?

Among the 3,652 homes in Prospect 06712, it is worth more than 5% of them ($322,988 against a typical $477,741), its price per square foot is higher than 96% of them ($385 against a typical $277), it is bigger than 2% of them (838 ft² against a typical 1,632 ft²), its lot is bigger than almost none of them (0.19 ac against a typical 0.93 ac) and it is newer than 7% of them (1947 against a typical 1983). Measured against all of Naugatuck Valley County, it is worth more than 31% 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 21 Hydelor Ave, Prospect, CT?

The 2025 property tax bill for 21 Hydelor Ave, Prospect, CT was $3,855. The county assessed it at $150,780.

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