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Single Family ResidenceResidential
$1,420,133$332 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $825,000 on Aug 5, 2025

671 PROSPECT ST

NEW HAVEN, CT 06511
5
Beds
4.5
Baths
4,279 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1907
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.4M
$1.3M low$1.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$825,000 · Aug 5, 2025
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$370,133
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$296,106
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.76%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$1,050,000
FM HOME LOANS LLC · recorded Dec 29, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$27,974 (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.$710,010 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$239,610
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$470,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$710,010
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$497,007

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.Colonial
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.1971
Lot (acres)The size of the land the home sits on, from county records.0.45
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
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

Transaction History(9)

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
Worthington Hooker SchoolA
Elementary · Grades KG–8 · 0.6 mi
H
Wilbur Cross High SchoolF
High · Grades 9–12 · 0.8 mi

District: New Haven School District

Neighborhood · ZIP 06511These 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.117
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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.55,979
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,955 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,497
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,046
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

671 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.

  • Worth more than 98% of homes in South Central Connecticut County
  • Costs more per square foot than 73% of homes in New Haven 06511
  • Among the largest homes in South Central Connecticut County
  • Among the largest lots in New Haven 06511
  • Older than 91% of homes in South Central Connecticut County

What homes are worth in New Haven 06511

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

This home
$146K$1.7M

This home is worth more than 96% of homes in New Haven 06511.

How it measures up in New Haven 06511

The dot is this home. The mark in the middle is the typical home in New Haven 06511.

Estimated value$1,420,133
CheaperTypical $382,094Pricier

Pricier than 96% of homes nearby

Price per ft²$332
CheaperTypical $241Pricier

Pricier than 73% of homes nearby

Living area4,279 ft²
SmallerTypical 2,304 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.45 ac
SmallerTypical 0.13 acBigger

Bigger than almost all homes nearby

Year built1907
OlderTypical 1910Newer

Newer than 45% of homes nearby

How 671 Prospect St ranks against every home in each area.
MeasureThis homeProspect HillNew Haven 06511South Central Connecticut County
Estimated valuepricier than$1,420,13381% of homes96% of homes98% of homes
Price per ft²pricier than$33252% of homes73% of homes68% of homes
Living areabigger than4,279 ft²86% of homes95% of homesalmost all homes
Lot sizebigger than0.45 ac88% of homesalmost all homes63% of homes
Year builtnewer than190735% of homes45% of homes9% of homes

About 671 Prospect St

How much is 671 Prospect St, New Haven, CT worth?

The TopHap Estimate for 671 Prospect St, New Haven, CT is $1,420,133 as of Jul 14, 2026. The likely range is $1,255,079 to $1,585,186. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 671 Prospect St, New Haven, CT last sell?

671 Prospect St, New Haven, CT last sold on Aug 5, 2025 for $825,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 671 Prospect St, New Haven, CT?

671 Prospect St, New Haven, CT has 5 bedrooms, 4.5 bathrooms, 4,279 square feet of living space and a 0.45-acre lot.

When was 671 Prospect St, New Haven, CT built?

671 Prospect St, New Haven, CT was built in 1907, making it 119 years old. It is a colonial home. The building has 2 stories.

What schools serve 671 Prospect St, New Haven, CT?

671 Prospect St, New Haven, CT is assigned to Worthington Hooker School (elementary), rated A; Wilbur Cross High School (high), rated F. All sit in New Haven School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 671 Prospect St, New Haven, CT compare to other homes in New Haven 06511?

Among the 6,912 homes in New Haven 06511, it is worth more than 96% of them ($1,420,133 against a typical $382,094), its price per square foot is higher than 73% of them ($332 against a typical $241), it is bigger than 95% of them (4,279 ft² against a typical 2,304 ft²), its lot is bigger than almost all of them (0.45 ac against a typical 0.13 ac) and it is newer than 45% of them (1907 against a typical 1910). Measured against all of South Central Connecticut County, it is worth more than 98% 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 671 Prospect St, New Haven, CT?

The 2025 property tax bill for 671 Prospect St, New Haven, CT was $27,974. The county assessed it at $710,010.

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Assigned schools

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