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Single Family ResidenceResidential
$7,461,512$1,584 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $6,750,000 on Nov 30, 2022

361 MADISON ST

WEST ISLIP, NY 11795
8
Beds
2
Baths
4,712 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.
0.71 ac
Lot SizeThe size of the land the home sits on, from county records.
2017
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$7.5M
$7.2M low$7.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$6,750,000 · Nov 30, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,375 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$4,455,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$696,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,758,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$7,071,746

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.Mobile Home
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.71
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
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.Patio · 1,662 ft²Porch · 30 ft²

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.

M
Pierson Middle/High SchoolA-
Middle · Grades 6–12 · 0.4 mi
E
Sag Harbor Elementary SchoolB+
Elementary · Grades PK–5 · 0.6 mi

District: Sag Harbor 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%

Owner Tools

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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

361 Madison 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.

  • Among the most valuable homes in West Islip 11795
  • Among the highest price per square foot in West Islip 11795
  • Among the largest homes in West Islip 11795
  • Has a bigger lot than 97% of homes in West Islip 11795
  • Among the newest 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
$518K$1.9M

This home is worth more than almost all 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$7,461,512
CheaperTypical $704,974Pricier

Pricier than almost all homes nearby

Price per ft²$1584
CheaperTypical $437Pricier

Pricier than almost all homes nearby

Living area4,712 ft²
SmallerTypical 1,835 ft²Bigger

Bigger than almost all homes nearby

Lot size0.71 ac
SmallerTypical 0.25 acBigger

Bigger than 97% of homes nearby

Year built2017
OlderTypical 1957Newer

Newer than almost all homes nearby

How 361 Madison St ranks against every home in each area.
MeasureThis homeWest Islip 11795Suffolk County
Estimated valuepricier than$7,461,512almost all homesalmost all homes
Price per ft²pricier than$1584almost all homes98% of homes
Living areabigger than4,712 ft²almost all homes98% of homes
Lot sizebigger than0.71 ac97% of homes85% of homes
Year builtnewer than2017almost all homesalmost all homes

About 361 Madison St

How much is 361 Madison St, West Islip, NY worth?

The TopHap Estimate for 361 Madison St, West Islip, NY is $7,461,512 as of Sep 24, 2026. The likely range is $7,152,987 to $7,770,037. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 361 Madison St, West Islip, NY last sell?

361 Madison St, West Islip, NY last sold on Nov 30, 2022 for $6,750,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 361 Madison St, West Islip, NY?

361 Madison St, West Islip, NY has 8 bedrooms, 2 bathrooms, 4,712 square feet of living space and a 0.71-acre lot.

When was 361 Madison St, West Islip, NY built?

361 Madison St, West Islip, NY was built in 2017, making it 9 years old. It is a mobile home home. The building has 1 story.

What schools serve 361 Madison St, West Islip, NY?

361 Madison St, West Islip, NY is assigned to Pierson Middle/High School (middle), rated A-; Sag Harbor Elementary School (elementary), rated B+. All sit in Sag Harbor Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 361 Madison St, 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 almost all of them ($7,461,512 against a typical $704,974), its price per square foot is higher than almost all of them ($1584 against a typical $437), it is bigger than almost all of them (4,712 ft² against a typical 1,835 ft²), its lot is bigger than 97% of them (0.71 ac against a typical 0.25 ac) and it is newer than almost all of them (2017 against a typical 1957). Measured against all of Suffolk County, it is worth more than almost all 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 361 Madison St, West Islip, NY?

The 2024 property tax bill for 361 Madison St, West Islip, NY was $12,375. The county assessed it at $4,455,200.

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