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Duplex (2 Units, Any Combination)Residential

51 VAIL ST

ISLIP, NY 11751
0
Baths
2,500 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$45,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$33,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$640,845

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.45%
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.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.0.35
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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
Wing Elementary School
Elementary · Grades KG–1 · 0.6 mi
H
Islip High SchoolB
High · Grades 9–12 · 0.7 mi
M
Islip Middle SchoolB
Middle · Grades 7–8 · 0.8 mi

District: Islip Union Free School District

Neighborhood · ZIP 11751These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
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.15,527
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,057 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$119,597
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,797
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

51 Vail 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 87% of homes in Islip
  • Has a bigger lot than 73% of homes in Islip 11751
  • Among the oldest homes in Suffolk County

How it measures up in Islip 11751

The dot is this home. The mark in the middle is the typical home in Islip 11751.

Living area2,500 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.35 ac
SmallerTypical 0.24 acBigger

Bigger than 73% of homes nearby

Year built1890
OlderTypical 1957Newer

Newer than 3% of homes nearby

How 51 Vail St ranks against every home in each area.
MeasureThis homeIslipIslip 11751Suffolk County
Living areabigger than2,500 ft²87% of homes84% of homes84% of homes
Lot sizebigger than0.35 ac71% of homes73% of homes61% of homes
Year builtnewer than18903% of homes3% of homesalmost no homes

About 51 Vail St

When did 51 Vail St, Islip, NY last sell?

51 Vail St, Islip, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 51 Vail St, Islip, NY?

51 Vail St, Islip, NY has 2,500 square feet of living space and a 0.35-acre lot.

When was 51 Vail St, Islip, NY built?

51 Vail St, Islip, NY was built in 1890, making it 136 years old. It is a duplex single home.

What schools serve 51 Vail St, Islip, NY?

51 Vail St, Islip, NY is assigned to Wing Elementary School (elementary); Islip High School (high), rated B; Islip Middle School (middle), rated B. All sit in Islip Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Vail St, Islip, NY compare to other homes in Islip 11751?

Among the 4,170 homes in Islip 11751, it is bigger than 84% of them (2,500 ft² against a typical 1,680 ft²), its lot is bigger than 73% of them (0.35 ac against a typical 0.24 ac) and it is newer than 3% of them (1890 against a typical 1957). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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