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Single Family ResidenceResidential
$1,884,983$601 / 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 90How 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

3 DIANAS CIR

ROSLYN, NY 11576
3
Baths
3,137 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
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

$1.9M
$1.7M low$2.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$25,002 (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.$1,073 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$448
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$625
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,106
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,073,000

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.0.40
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 180 ft²Porch · 105 ft²

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.

E
Roslyn Heights Elementary School
Elementary · Grades KG–11 · 0.7 mi
H
Roslyn High SchoolA+
High · Grades 9–12 · 1.0 mi
M
Roslyn Middle SchoolA+
Middle · Grades 6–8 · 1.3 mi

District: Roslyn Union Free School District

Neighborhood · ZIP 11576These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.104

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.94%
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.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.13,502
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,896 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$189,117
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$255,113
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

3 Dianas Cir 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 more than 92% of homes in Nassau County
  • Costs more per square foot than 75% of homes in Nassau County
  • Bigger than 91% of homes in Nassau County
  • Has a bigger lot than 93% of homes in Nassau County
  • Older than 77% of homes in Roslyn 11576

What homes are worth in Roslyn 11576

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

This home
$806K$3.9M

This home is worth more than 51% of homes in Roslyn 11576.

How it measures up in Roslyn 11576

The dot is this home. The mark in the middle is the typical home in Roslyn 11576.

Estimated value$1,884,983
CheaperTypical $1,865,366Pricier

Pricier than 51% of homes nearby

Price per ft²$601
CheaperTypical $638Pricier

Pricier than 35% of homes nearby

Living area3,137 ft²
SmallerTypical 2,780 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.4 ac
SmallerTypical 0.35 acBigger

Bigger than 60% of homes nearby

Year built1957
OlderTypical 1965Newer

Newer than 23% of homes nearby

How 3 Dianas Cir ranks against every home in each area.
MeasureThis homeRoslyn 11576Nassau County
Estimated valuepricier than$1,884,98351% of homes92% of homes
Price per ft²pricier than$60135% of homes75% of homes
Living areabigger than3,137 ft²60% of homes91% of homes
Lot sizebigger than0.4 ac60% of homes93% of homes
Year builtnewer than195723% of homes70% of homes

About 3 Dianas Cir

How much is 3 Dianas Cir, Roslyn, NY worth?

The TopHap Estimate for 3 Dianas Cir, Roslyn, NY is $1,884,983 as of Sep 24, 2026. The likely range is $1,695,125 to $2,074,841. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Dianas Cir, Roslyn, NY last sell?

3 Dianas Cir, Roslyn, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3 Dianas Cir, Roslyn, NY?

3 Dianas Cir, Roslyn, NY has 3 bathrooms, 3,137 square feet of living space and a 0.40-acre lot.

When was 3 Dianas Cir, Roslyn, NY built?

3 Dianas Cir, Roslyn, NY was built in 1957, making it 69 years old. It is a split level home. The building has 1 story.

What schools serve 3 Dianas Cir, Roslyn, NY?

3 Dianas Cir, Roslyn, 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 3 Dianas Cir, Roslyn, NY compare to other homes in Roslyn 11576?

Among the 4,808 homes in Roslyn 11576, it is worth more than 51% of them ($1,884,983 against a typical $1,865,366), its price per square foot is higher than 35% of them ($601 against a typical $638), it is bigger than 60% of them (3,137 ft² against a typical 2,780 ft²), its lot is bigger than 60% of them (0.4 ac against a typical 0.35 ac) and it is newer than 23% of them (1957 against a typical 1965). Measured against all of Nassau 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 3 Dianas Cir, Roslyn, NY?

The 2025 property tax bill for 3 Dianas Cir, Roslyn, NY was $25,002. The county assessed it at $1,073.

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