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Single Family ResidenceResidential
$2,983,010$455 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $1,688,000 on Nov 1, 2017

100 SAGAMORE DR

SYOSSET, NY 11791
5.5
Baths
6,562 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3M
$2.7M low$3.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,688,000 · Nov 1, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$54,531 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,716 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$522
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,194
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,716,000

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.Colonial
CountyNASSAU
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 · 1,067 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.

E
Berry Hill Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi
M
South Woods Middle SchoolA+
Middle · Grades 6–8 · 1.2 mi
H
Syosset Senior High SchoolA+
High · Grades 9–12 · 1.4 mi

District: Syosset 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

100 Sagamore Dr 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 Syosset
  • Costs less per square foot than 97% of homes in Syosset
  • Among the largest homes in Syosset
  • Has a bigger lot than 96% of homes in Nassau County
  • Newer than 94% of homes in Nassau County

What homes are worth in Syosset 11791

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

This home
$791K$3.6M

This home is worth more than 96% of homes in Syosset 11791.

How it measures up in Syosset 11791

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

Estimated value$2,983,010
CheaperTypical $1,236,140Pricier

Pricier than 96% of homes nearby

Price per ft²$455
CheaperTypical $614Pricier

Pricier than 6% of homes nearby

Living area6,562 ft²
SmallerTypical 2,055 ft²Bigger

Bigger than 98% of homes nearby

Lot size1 ac
SmallerTypical 0.21 acBigger

Bigger than 80% of homes nearby

Year built1998
OlderTypical 1957Newer

Newer than 89% of homes nearby

How 100 Sagamore Dr ranks against every home in each area.
MeasureThis homeSyossetSyosset 11791Nassau County
Estimated valuepricier than$2,983,010almost all homes96% of homes98% of homes
Price per ft²pricier than$4553% of homes6% of homes27% of homes
Living areabigger than6,562 ft²almost all homes98% of homesalmost all homes
Lot sizebigger than1 ac94% of homes80% of homes96% of homes
Year builtnewer than199890% of homes89% of homes94% of homes

About 100 Sagamore Dr

How much is 100 Sagamore Dr, Syosset, NY worth?

The TopHap Estimate for 100 Sagamore Dr, Syosset, NY is $2,983,010 as of Oct 21, 2026. The likely range is $2,652,937 to $3,313,083. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Sagamore Dr, Syosset, NY last sell?

100 Sagamore Dr, Syosset, NY last sold on Nov 1, 2017 for $1,688,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 100 Sagamore Dr, Syosset, NY?

100 Sagamore Dr, Syosset, NY has 5.5 bathrooms and 6,562 square feet of living space.

When was 100 Sagamore Dr, Syosset, NY built?

100 Sagamore Dr, Syosset, NY was built in 1998, making it 28 years old. It is a colonial home. The building has 2 stories.

What schools serve 100 Sagamore Dr, Syosset, NY?

100 Sagamore Dr, Syosset, NY is assigned to Berry Hill Elementary School (elementary), rated A+; South Woods Middle School (middle), rated A+; Syosset Senior High School (high), rated A+. All sit in Syosset Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Sagamore Dr, Syosset, NY compare to other homes in Syosset 11791?

Among the 8,086 homes in Syosset 11791, it is worth more than 96% of them ($2,983,010 against a typical $1,236,140), its price per square foot is higher than 6% of them ($455 against a typical $614), it is bigger than 98% of them (6,562 ft² against a typical 2,055 ft²), its lot is bigger than 80% of them (1 ac against a typical 0.21 ac) and it is newer than 89% of them (1998 against a typical 1957). Measured against all of Nassau County, it is worth more than 98% 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 100 Sagamore Dr, Syosset, NY?

The 2025 property tax bill for 100 Sagamore Dr, Syosset, NY was $54,531. The county assessed it at $1,716.

More homes on Sagamore Dr

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