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Single Family ResidenceResidential
$1,027,981$690 / 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 92How 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 $980,000 on Nov 21, 2025

99 ROBBINS LN

SYOSSET, NY 11791
2.5
Baths
1,490 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.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$1M
$950K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$980,000 · Nov 21, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,651 (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.$608 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$391
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$217
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$604
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$608,000

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.Split Level
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.25
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Secondary
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 352 ft²Patio · 352 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.

E
Robbins Lane Elementary SchoolA
Elementary · Grades KG–5 · 0.1 mi
H
Syosset Senior High SchoolA+
High · Grades 9–12 · 2.9 mi
M
South Woods Middle SchoolA-
Middle · Grades 6–8 · 2.9 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

99 Robbins Ln 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 78% of homes in Syosset 11791
  • Costs more per square foot than 90% of homes in Nassau County
  • Smaller than 84% of homes in Syosset 11791
  • Has a bigger lot than 87% of homes in Nassau County
  • Newer than 65% 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
$809K$3.8M

This home is worth more than 22% 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$1,027,981
CheaperTypical $1,237,258Pricier

Pricier than 22% of homes nearby

Price per ft²$690
CheaperTypical $613Pricier

Pricier than 79% of homes nearby

Living area1,490 ft²
SmallerTypical 2,046 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.25 ac
SmallerTypical 0.21 acBigger

Bigger than 64% of homes nearby

Year built1955
OlderTypical 1957Newer

Newer than 46% of homes nearby

How 99 Robbins Ln ranks against every home in each area.
MeasureThis homeSyossetSyosset 11791Nassau County
Estimated valuepricier than$1,027,98125% of homes22% of homes72% of homes
Price per ft²pricier than$69078% of homes79% of homes90% of homes
Living areabigger than1,490 ft²20% of homes16% of homes34% of homes
Lot sizebigger than0.25 ac76% of homes64% of homes87% of homes
Year builtnewer than195550% of homes46% of homes65% of homes

About 99 Robbins Ln

How much is 99 Robbins Ln, Syosset, NY worth?

The TopHap Estimate for 99 Robbins Ln, Syosset, NY is $1,027,981 as of Aug 30, 2026. The likely range is $950,236 to $1,105,726. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 99 Robbins Ln, Syosset, NY last sell?

99 Robbins Ln, Syosset, NY last sold on Nov 21, 2025 for $980,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 99 Robbins Ln, Syosset, NY?

99 Robbins Ln, Syosset, NY has 2.5 bathrooms, 1,490 square feet of living space and a 0.25-acre lot.

When was 99 Robbins Ln, Syosset, NY built?

99 Robbins Ln, Syosset, NY was built in 1955, making it 71 years old. It is a split level home. The building has 1 story.

What schools serve 99 Robbins Ln, Syosset, NY?

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

How does 99 Robbins Ln, Syosset, NY compare to other homes in Syosset 11791?

Among the 8,086 homes in Syosset 11791, it is worth more than 22% of them ($1,027,981 against a typical $1,237,258), its price per square foot is higher than 79% of them ($690 against a typical $613), it is bigger than 16% of them (1,490 ft² against a typical 2,046 ft²), its lot is bigger than 64% of them (0.25 ac against a typical 0.21 ac) and it is newer than 46% of them (1955 against a typical 1957). Measured against all of Nassau County, it is worth more than 72% 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 99 Robbins Ln, Syosset, NY?

The 2025 property tax bill for 99 Robbins Ln, Syosset, NY was $18,651. The county assessed it at $608.

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