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Single Family ResidenceResidential
$1,296,882$515 / 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 95How 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
Last sold for $1,180,000 on Aug 23, 2023

18 PIPER CT

WEST ISLIP, NY 11795
0
Baths
2,517 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,180,000 · Aug 23, 2023

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.$71,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$51,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,007,042

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.114 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.79%
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.1 percent flood zone

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
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.25
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.

E
Bayview Elementary SchoolC-
Elementary · Grades KG–5 · 0.3 mi
H
West Islip High SchoolA
High · Grades 9–12 · 1.4 mi
M
Beach Street Middle SchoolB
Middle · Grades 6–8 · 1.6 mi

District: West Islip Union Free School District

Neighborhood · ZIP 11795These 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.37
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.25,576
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,944 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$160,580
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$181,705
Average tempThe average temperature here across a full year.53°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%

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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

18 Piper Ct 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 92% of homes in West Islip 11795
  • Costs more per square foot than 76% of homes in West Islip 11795
  • Bigger than 85% of homes in Suffolk County
  • Newer than 82% of homes in West Islip 11795

What homes are worth in West Islip 11795

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

This home
$527K$2M

This home is worth more than 92% of homes in West Islip 11795.

How it measures up in West Islip 11795

The dot is this home. The mark in the middle is the typical home in West Islip 11795.

Estimated value$1,296,882
CheaperTypical $711,836Pricier

Pricier than 92% of homes nearby

Price per ft²$515
CheaperTypical $433Pricier

Pricier than 76% of homes nearby

Living area2,517 ft²
SmallerTypical 1,836 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.25 ac
SmallerTypical 0.25 acBigger

Bigger than 60% of homes nearby

Year built1969
OlderTypical 1957Newer

Newer than 82% of homes nearby

How 18 Piper Ct ranks against every home in each area.
MeasureThis homeWest Islip 11795Suffolk County
Estimated valuepricier than$1,296,88292% of homes86% of homes
Price per ft²pricier than$51576% of homes74% of homes
Living areabigger than2,517 ft²82% of homes85% of homes
Lot sizebigger than0.25 ac60% of homes46% of homes
Year builtnewer than196982% of homes49% of homes

About 18 Piper Ct

How much is 18 Piper Ct, West Islip, NY worth?

The TopHap Estimate for 18 Piper Ct, West Islip, NY is $1,296,882 as of Aug 30, 2026. The likely range is $1,229,145 to $1,364,619. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Piper Ct, West Islip, NY last sell?

18 Piper Ct, West Islip, NY last sold on Aug 23, 2023 for $1,180,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Piper Ct, West Islip, NY?

18 Piper Ct, West Islip, NY has 2,517 square feet of living space and a 0.25-acre lot.

When was 18 Piper Ct, West Islip, NY built?

18 Piper Ct, West Islip, NY was built in 1969, making it 57 years old.

What schools serve 18 Piper Ct, West Islip, NY?

18 Piper Ct, West Islip, NY is assigned to Bayview Elementary School (elementary), rated C-; West Islip High School (high), rated A; Beach Street Middle School (middle), rated B. All sit in West Islip Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Piper Ct, West Islip, NY compare to other homes in West Islip 11795?

Among the 8,125 homes in West Islip 11795, it is worth more than 92% of them ($1,296,882 against a typical $711,836), its price per square foot is higher than 76% of them ($515 against a typical $433), it is bigger than 82% of them (2,517 ft² against a typical 1,836 ft²), its lot is bigger than 60% of them (0.25 ac against a typical 0.25 ac) and it is newer than 82% of them (1969 against a typical 1957). Measured against all of Suffolk County, it is worth more than 86% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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