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Single Family ResidenceResidential
Last sold for $2,400,000 on Jun 27, 2022

539 SPLIT ROCK RD

SYOSSET, NY 11791
5.5
Baths
4,644 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.
1.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1938
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,400,000 · Jun 27, 2022

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.$739 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$507
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$232
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,153
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$739,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyNASSAU
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 231 ft²

Transaction History(4)

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
Oyster Bay Middle SchoolA+
Middle · Grades 7–8 · 2.1 mi
H
Oyster Bay High SchoolA
High · Grades 9–12 · 2.1 mi
E
Theodore Roosevelt School
Elementary · Grades PK–2 · 2.4 mi

District: Oyster Bay-East Norwich Central School District

Neighborhood · ZIP 11791These 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.58
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 100.92

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.25,701
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,064 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$180,785
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$232,702
Average tempThe average temperature here across a full year.52°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.56%

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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

539 Split Rock 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.

  • Among the largest homes in Syosset
  • Has a bigger lot than 97% of homes in Nassau County
  • Older than 95% of homes in Syosset

How it measures up in Syosset 11791

The dot is this home. The mark in the middle is the typical home in Syosset 11791.

Living area4,644 ft²
SmallerTypical 2,061 ft²Bigger

Bigger than 92% of homes nearby

Lot size1.25 ac
SmallerTypical 0.21 acBigger

Bigger than 82% of homes nearby

Year built1938
OlderTypical 1957Newer

Newer than 5% of homes nearby

How 539 Split Rock Rd ranks against every home in each area.
MeasureThis homeSyossetSyosset 11791Nassau County
Living areabigger than4,644 ft²almost all homes92% of homes97% of homes
Lot sizebigger than1.25 ac96% of homes82% of homes97% of homes
Year builtnewer than19385% of homes5% of homes22% of homes

About 539 Split Rock Rd

When did 539 Split Rock Rd, Syosset, NY last sell?

539 Split Rock Rd, Syosset, NY last sold on Jun 27, 2022 for $2,400,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 539 Split Rock Rd, Syosset, NY?

539 Split Rock Rd, Syosset, NY has 5.5 bathrooms and 4,644 square feet of living space.

When was 539 Split Rock Rd, Syosset, NY built?

539 Split Rock Rd, Syosset, NY was built in 1938, making it 88 years old. The building has 2 stories.

What schools serve 539 Split Rock Rd, Syosset, NY?

539 Split Rock Rd, Syosset, NY is assigned to Oyster Bay Middle School (middle), rated A+; Oyster Bay High School (high), rated A; Theodore Roosevelt School (elementary). All sit in Oyster Bay-East Norwich Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 539 Split Rock Rd, Syosset, NY compare to other homes in Syosset 11791?

Among the 8,086 homes in Syosset 11791, it is bigger than 92% of them (4,644 ft² against a typical 2,061 ft²), its lot is bigger than 82% of them (1.25 ac against a typical 0.21 ac) and it is newer than 5% of them (1938 against a typical 1957). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Split Rock Rd

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Assigned schools

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