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Single Family ResidenceResidential
$345,339$321 / 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 $172,900 on Jan 27, 2020

21 PROSPECT PL

EAST HAVEN, CT 06512
3
Beds
1
Baths
1,075 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
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

$345K
$323K low$368K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$172,900 · Jan 27, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,693 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$140,350 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$48,720
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,630
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$200,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.110 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.95%
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.1 percent flood zone

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.Cape Cod
CountySOUTH CENTRAL CONNECTICUT
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.2000
Lot (acres)The size of the land the home sits on, from county records.0.40
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.Gas
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
Momauguin Elementary SchoolD+
Elementary · Grades KG–5 · 1.2 mi
M
Joseph Melillo Middle SchoolC-
Middle · Grades 6–8 · 1.5 mi
H
East Haven High SchoolB-
High · Grades 9–12 · 4.8 mi

District: East Haven School District

Neighborhood · ZIP 06512These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.28,499
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,296 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,270
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,920
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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 Prospect Pl 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 73% of homes in South Central Connecticut County
  • Costs more per square foot than 71% of homes in East Haven 06512
  • Smaller than 83% of homes in South Central Connecticut County
  • Has a bigger lot than 84% of homes in East Haven 06512

What homes are worth in East Haven 06512

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

This home
$156K$787K

This home is worth more than 33% of homes in East Haven 06512.

How it measures up in East Haven 06512

The dot is this home. The mark in the middle is the typical home in East Haven 06512.

Estimated value$345,339
CheaperTypical $376,167Pricier

Pricier than 33% of homes nearby

Price per ft²$321
CheaperTypical $286Pricier

Pricier than 71% of homes nearby

Living area1,075 ft²
SmallerTypical 1,302 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.4 ac
SmallerTypical 0.2 acBigger

Bigger than 84% of homes nearby

Year built1952
OlderTypical 1954Newer

Newer than 45% of homes nearby

How 21 Prospect Pl ranks against every home in each area.
MeasureThis homeEast Haven 06512South Central Connecticut County
Estimated valuepricier than$345,33933% of homes27% of homes
Price per ft²pricier than$32171% of homes66% of homes
Living areabigger than1,075 ft²23% of homes17% of homes
Lot sizebigger than0.4 ac84% of homes60% of homes
Year builtnewer than195245% of homes37% of homes

About 21 Prospect Pl

How much is 21 Prospect Pl, East Haven, CT worth?

The TopHap Estimate for 21 Prospect Pl, East Haven, CT is $345,339 as of Aug 30, 2026. The likely range is $323,126 to $367,552. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Prospect Pl, East Haven, CT last sell?

21 Prospect Pl, East Haven, CT last sold on Jan 27, 2020 for $172,900, according to the county's recorded deed.

How big is 21 Prospect Pl, East Haven, CT?

21 Prospect Pl, East Haven, CT has 3 bedrooms, 1 bathrooms, 1,075 square feet of living space and a 0.40-acre lot.

When was 21 Prospect Pl, East Haven, CT built?

21 Prospect Pl, East Haven, CT was built in 1952, making it 74 years old. It is a cape cod home. The building has 1 story.

What schools serve 21 Prospect Pl, East Haven, CT?

21 Prospect Pl, East Haven, CT is assigned to Momauguin Elementary School (elementary), rated D+; Joseph Melillo Middle School (middle), rated C-; East Haven High School (high), rated B-. All sit in East Haven School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Prospect Pl, East Haven, CT compare to other homes in East Haven 06512?

Among the 10,010 homes in East Haven 06512, it is worth more than 33% of them ($345,339 against a typical $376,167), its price per square foot is higher than 71% of them ($321 against a typical $286), it is bigger than 23% of them (1,075 ft² against a typical 1,302 ft²), its lot is bigger than 84% of them (0.4 ac against a typical 0.2 ac) and it is newer than 45% of them (1952 against a typical 1954). Measured against all of South Central Connecticut County, it is worth more than 27% 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 Prospect Pl, East Haven, CT?

The 2024 property tax bill for 21 Prospect Pl, East Haven, CT was $4,693. The county assessed it at $140,350.

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