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Duplex (2 Units, Any Combination)Residential

866 ORANGE ST

NEW HAVEN, CT 06511
5
Beds
2
Baths
2,583 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,328 (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.$312,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$226,380
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$86,520
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$312,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$447,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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.

H
Wilbur Cross High SchoolF
High · Grades 9–12 · 0.2 mi
E
Worthington Hooker SchoolA
Elementary · Grades KG–8 · 0.2 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%

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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

866 Orange 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.

  • Bigger than 85% of homes in South Central Connecticut County
  • Has a smaller lot than 76% of homes in South Central Connecticut County
  • Older than 89% of homes in South Central Connecticut County

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.

Living area2,583 ft²
SmallerTypical 2,304 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.17 ac
SmallerTypical 0.13 acBigger

Bigger than 71% of homes nearby

Year built1910
OlderTypical 1910Newer

Newer than 53% of homes nearby

How 866 Orange St ranks against every home in each area.
MeasureThis homeEast RockNew Haven 06511South Central Connecticut County
Living areabigger than2,583 ft²48% of homes58% of homes85% of homes
Lot sizebigger than0.17 ac73% of homes71% of homes24% of homes
Year builtnewer than191075% of homes53% of homes11% of homes

About 866 Orange St

When did 866 Orange St, New Haven, CT last sell?

866 Orange St, New Haven, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 866 Orange St, New Haven, CT?

866 Orange St, New Haven, CT has 5 bedrooms, 2 bathrooms, 2,583 square feet of living space and a 0.17-acre lot.

When was 866 Orange St, New Haven, CT built?

866 Orange St, New Haven, CT was built in 1910, making it 116 years old. It is a duplex single home. The building has 3 stories.

What schools serve 866 Orange St, New Haven, CT?

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

How does 866 Orange St, New Haven, CT compare to other homes in New Haven 06511?

Among the 6,912 homes in New Haven 06511, it is bigger than 58% of them (2,583 ft² against a typical 2,304 ft²), its lot is bigger than 71% of them (0.17 ac against a typical 0.13 ac) and it is newer than 53% of them (1910 against a typical 1910). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 866 Orange St, New Haven, CT?

The 2025 property tax bill for 866 Orange St, New Haven, CT was $12,328. The county assessed it at $312,900.

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