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Residential - Vacant LandResidential
$1,070,359
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 Oct 21, 2026
Last sold for $590,000 on Nov 17, 2003

9 HILLSIDE AVE

ROSLYN HEIGHTS, NY 11577
0
Baths
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.1M
$982K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$590,000 · Nov 17, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$597 (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.$27 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$27,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.15
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

District: Roslyn Union Free School District

Neighborhood · ZIP 11577These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.101

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.3.2%
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.12,075
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,980 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$184,838
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$245,584
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.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

9 Hillside Ave 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 Roslyn Heights 11577
  • Has a smaller lot than 80% of homes in Roslyn Heights 11577

What homes are worth in Roslyn Heights 11577

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

This home
$722K$3.6M

This home is worth more than 22% of homes in Roslyn Heights 11577.

How it measures up in Roslyn Heights 11577

The dot is this home. The mark in the middle is the typical home in Roslyn Heights 11577.

Estimated value$1,070,359
CheaperTypical $1,461,707Pricier

Pricier than 22% of homes nearby

Lot size0.15 ac
SmallerTypical 0.24 acBigger

Bigger than 20% of homes nearby

How 9 Hillside Ave ranks against every home in each area.
MeasureThis homeRoslyn Heights 11577Nassau County
Estimated valuepricier than$1,070,35922% of homes74% of homes
Lot sizebigger than0.15 ac20% of homes54% of homes

About 9 Hillside Ave

How much is 9 Hillside Ave, Roslyn Heights, NY worth?

The TopHap Estimate for 9 Hillside Ave, Roslyn Heights, NY is $1,070,359 as of Oct 21, 2026. The likely range is $982,399 to $1,158,319. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9 Hillside Ave, Roslyn Heights, NY last sell?

9 Hillside Ave, Roslyn Heights, NY last sold on Nov 17, 2003 for $590,000, according to the county's recorded deed.

What schools serve 9 Hillside Ave, Roslyn Heights, NY?

9 Hillside Ave, Roslyn Heights, NY is assigned to Roslyn Heights Elementary School (elementary); Roslyn High School (high), rated A+; Roslyn Middle School (middle), rated A+. All sit in Roslyn Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9 Hillside Ave, Roslyn Heights, NY compare to other homes in Roslyn Heights 11577?

Among the 3,676 homes in Roslyn Heights 11577, it is worth more than 22% of them ($1,070,359 against a typical $1,461,707) and its lot is bigger than 20% of them (0.15 ac against a typical 0.24 ac). Measured against all of Nassau County, it is worth more than 74% 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 9 Hillside Ave, Roslyn Heights, NY?

The 2025 property tax bill for 9 Hillside Ave, Roslyn Heights, NY was $597. The county assessed it at $27.

More homes on Hillside Ave

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Assigned schools

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See this home in context

Open 9 Hillside Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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