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Single Family ResidenceResidential
$350,499$313 / 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 93How 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

20 PROSPECT LN

HAMDEN, CT 06517
4
Beds
1
Baths
1,120 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.
0.14 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.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$350K
$328K low$373K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,015 (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.$154,490 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,310
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$124,180
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$107,240
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$108,143

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Cape Cod
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.14
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
Hamden High SchoolC
High · Grades 9–12 · 2.2 mi
E
Spring Glen SchoolA
Elementary · Grades KG–6 · 2.5 mi
M
Hamden Middle SchoolC+
Middle · Grades 7–8 · 3.1 mi

District: Hamden School District

Neighborhood · ZIP 06517These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.68

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
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.14,534
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,380 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,030
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,400
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

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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

20 Prospect Ln 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 71% of homes in South Central Connecticut County
  • Costs more per square foot than 87% of homes in Hamden 06517
  • Smaller than 81% of homes in Hamden 06517
  • Has a smaller lot than 85% of homes in South Central Connecticut County
  • Older than 71% of homes in South Central Connecticut County

What homes are worth in Hamden 06517

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

This home
$133K$1M

This home is worth more than 35% of homes in Hamden 06517.

How it measures up in Hamden 06517

The dot is this home. The mark in the middle is the typical home in Hamden 06517.

Estimated value$350,499
CheaperTypical $391,131Pricier

Pricier than 35% of homes nearby

Price per ft²$313
CheaperTypical $265Pricier

Pricier than 87% of homes nearby

Living area1,120 ft²
SmallerTypical 1,526 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.14 ac
SmallerTypical 0.18 acBigger

Bigger than 20% of homes nearby

Year built1947
OlderTypical 1940Newer

Newer than 56% of homes nearby

How 20 Prospect Ln ranks against every home in each area.
MeasureThis homeHamden 06517South Central Connecticut County
Estimated valuepricier than$350,49935% of homes29% of homes
Price per ft²pricier than$31387% of homes62% of homes
Living areabigger than1,120 ft²19% of homes21% of homes
Lot sizebigger than0.14 ac20% of homes15% of homes
Year builtnewer than194756% of homes29% of homes

About 20 Prospect Ln

How much is 20 Prospect Ln, Hamden, CT worth?

The TopHap Estimate for 20 Prospect Ln, Hamden, CT is $350,499 as of Aug 30, 2026. The likely range is $327,604 to $373,394. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Prospect Ln, Hamden, CT last sell?

20 Prospect Ln, Hamden, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Prospect Ln, Hamden, CT?

20 Prospect Ln, Hamden, CT has 4 bedrooms, 1 bathrooms, 1,120 square feet of living space and a 0.14-acre lot.

When was 20 Prospect Ln, Hamden, CT built?

20 Prospect Ln, Hamden, CT was built in 1947, making it 79 years old. It is a cape cod home. The building has 1 story.

What schools serve 20 Prospect Ln, Hamden, CT?

20 Prospect Ln, Hamden, CT is assigned to Hamden High School (high), rated C; Spring Glen School (elementary), rated A; Hamden Middle School (middle), rated C+. All sit in Hamden School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Prospect Ln, Hamden, CT compare to other homes in Hamden 06517?

Among the 4,947 homes in Hamden 06517, it is worth more than 35% of them ($350,499 against a typical $391,131), its price per square foot is higher than 87% of them ($313 against a typical $265), it is bigger than 19% of them (1,120 ft² against a typical 1,526 ft²), its lot is bigger than 20% of them (0.14 ac against a typical 0.18 ac) and it is newer than 56% of them (1947 against a typical 1940). Measured against all of South Central Connecticut County, it is worth more than 29% 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 20 Prospect Ln, Hamden, CT?

The 2024 property tax bill for 20 Prospect Ln, Hamden, CT was $8,015. The county assessed it at $154,490.

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