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Duplex (2 Units, Any Combination)Residential

87 PROSPECT ST

SMITHTOWN, NY 11787
4
Beds
2
Baths
2,080 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,173 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$775,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$549,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$226,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,337,069

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
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.21
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Inferior
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 155 ft²

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
Southampton Elementary SchoolB-
Elementary · Grades PK–4 · 0.6 mi
M
Southampton Intermediate SchoolC-
Middle · Grades 5–8 · 0.9 mi
H
Southampton High SchoolB-
High · Grades 9–12 · 1.1 mi

District: Southampton Union Free School District

Neighborhood · ZIP 11787These 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.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
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.34,997
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,227 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,428
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,182
Average tempThe average temperature here across a full year.52°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

87 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.

  • Bigger than 71% of homes in Suffolk County
  • Has a smaller lot than 89% of homes in Smithtown 11787
  • Newer than 87% of homes in Smithtown 11787

How it measures up in Smithtown 11787

The dot is this home. The mark in the middle is the typical home in Smithtown 11787.

Living area2,080 ft²
SmallerTypical 1,907 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.21 ac
SmallerTypical 0.38 acBigger

Bigger than 11% of homes nearby

Year built1994
OlderTypical 1965Newer

Newer than 87% of homes nearby

How 87 Prospect St ranks against every home in each area.
MeasureThis homeSmithtown 11787Suffolk County
Living areabigger than2,080 ft²62% of homes71% of homes
Lot sizebigger than0.21 ac11% of homes31% of homes
Year builtnewer than199487% of homes81% of homes

About 87 Prospect St

When did 87 Prospect St, Smithtown, NY last sell?

87 Prospect St, Smithtown, NY last sold on Mar 26, 2013, according to the county's recorded deed.

How big is 87 Prospect St, Smithtown, NY?

87 Prospect St, Smithtown, NY has 4 bedrooms, 2 bathrooms, 2,080 square feet of living space and a 0.21-acre lot.

When was 87 Prospect St, Smithtown, NY built?

87 Prospect St, Smithtown, NY was built in 1994, making it 32 years old. It is a duplex single home. The building has 2 stories.

What schools serve 87 Prospect St, Smithtown, NY?

87 Prospect St, Smithtown, NY is assigned to Southampton Elementary School (elementary), rated B-; Southampton Intermediate School (middle), rated C-; Southampton High School (high), rated B-. All sit in Southampton Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 87 Prospect St, Smithtown, NY compare to other homes in Smithtown 11787?

Among the 11,479 homes in Smithtown 11787, it is bigger than 62% of them (2,080 ft² against a typical 1,907 ft²), its lot is bigger than 11% of them (0.21 ac against a typical 0.38 ac) and it is newer than 87% of them (1994 against a typical 1965). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 87 Prospect St, Smithtown, NY?

The 2023 property tax bill for 87 Prospect St, Smithtown, NY was $1,173. The county assessed it at $775,500.

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Assigned schools

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