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Single Family ResidenceResidential
$1,920,483
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 74How 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 $995,000 on Jun 21, 2019

17 ROSE HILL RD

WATER MILL, NY 11976
0
Baths
0.92 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.9M
$1.4M low$2.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$995,000 · Jun 21, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,655 (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.$7,220 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,270
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,256,250

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.0.92
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.

H
East Hampton High SchoolB-
High · Grades 9–12 · 2.8 mi
E
John M. Marshall Elementary SchoolC
Elementary · Grades PK–5 · 3.4 mi
M
East Hampton Middle SchoolA-
Middle · Grades 6–8 · 3.5 mi

District: East Hampton Union Free School District

Neighborhood · ZIP 11976These 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.184
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.49

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.48%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.46%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.3,431
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.205 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$171,191
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$251,712
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

17 Rose Hill Rd 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 less than 93% of homes in Water Mill 11976
  • Has a bigger lot than 88% of homes in Suffolk County

What homes are worth in Water Mill 11976

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

This home
$1.3M$10M

This home is worth more than 7% of homes in Water Mill 11976.

How it measures up in Water Mill 11976

The dot is this home. The mark in the middle is the typical home in Water Mill 11976.

Estimated value$1,920,483
CheaperTypical $5,382,916Pricier

Pricier than 7% of homes nearby

Lot size0.92 ac
SmallerTypical 1.07 acBigger

Bigger than 27% of homes nearby

How 17 Rose Hill Rd ranks against every home in each area.
MeasureThis homeNorthwest HarborWater Mill 11976Suffolk County
Estimated valuepricier than$1,920,48338% of homes7% of homes92% of homes
Lot sizebigger than0.92 ac48% of homes27% of homes88% of homes

About 17 Rose Hill Rd

How much is 17 Rose Hill Rd, Water Mill, NY worth?

The TopHap Estimate for 17 Rose Hill Rd, Water Mill, NY is $1,920,483 as of Sep 24, 2026. The likely range is $1,420,084 to $2,420,882. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17 Rose Hill Rd, Water Mill, NY last sell?

17 Rose Hill Rd, Water Mill, NY last sold on Jun 21, 2019 for $995,000, according to the county's recorded deed.

What schools serve 17 Rose Hill Rd, Water Mill, NY?

17 Rose Hill Rd, Water Mill, NY is assigned to East Hampton High School (high), rated B-; John M. Marshall Elementary School (elementary), rated C; East Hampton Middle School (middle), rated A-. All sit in East Hampton Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17 Rose Hill Rd, Water Mill, NY compare to other homes in Water Mill 11976?

Among the 2,244 homes in Water Mill 11976, it is worth more than 7% of them ($1,920,483 against a typical $5,382,916) and its lot is bigger than 27% of them (0.92 ac against a typical 1.07 ac). Measured against all of Suffolk County, it is worth more than 92% of 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 17 Rose Hill Rd, Water Mill, NY?

The 2024 property tax bill for 17 Rose Hill Rd, Water Mill, NY was $7,655. The county assessed it at $7,220.

More homes on Rose Hill Rd

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More homes in Water Mill 11976

Assigned schools

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See this home in context

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