Single Family ResidenceResidential
Last sold for $950,000 on Dec 5, 2018
20 GREENWAY
ROSLYN, NY 11576
4.5
Baths
3,166 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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.$950,000 · Dec 5, 2018
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$21,547 (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.$952 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$542
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$410
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$978
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$952,000
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.Ranch
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.45
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 259 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.
EHM
Roslyn Heights Elementary School
Elementary · Grades KG–11 · 1.5 mi
Roslyn High SchoolA
High · Grades 9–12 · 1.6 mi
Roslyn Middle SchoolA-
Middle · Grades 6–8 · 2.2 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%
Owner Tools
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Claim this homeData 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
20 Greenway 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.
- Bigger than 91% of homes in Nassau County
- Has a bigger lot than 93% of homes in Nassau County
- Older than 90% 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.
Living area3,166 ft²
SmallerTypical 2,796 ft²Bigger
Bigger than 62% of homes nearby
Lot size0.45 ac
SmallerTypical 0.35 acBigger
Bigger than 69% of homes nearby
Year built1949
OlderTypical 1965Newer
Newer than 10% of homes nearby
| Measure | This home | Roslyn 11576 | Nassau County |
|---|---|---|---|
| Living areabigger than | 3,166 ft² | 62% of homes | 91% of homes |
| Lot sizebigger than | 0.45 ac | 69% of homes | 93% of homes |
| Year builtnewer than | 1949 | 10% of homes | 37% of homes |
About 20 Greenway
When did 20 Greenway, Roslyn, NY last sell?
20 Greenway, Roslyn, NY last sold on Dec 5, 2018 for $950,000, according to the county's recorded deed.
How big is 20 Greenway, Roslyn, NY?
20 Greenway, Roslyn, NY has 4.5 bathrooms, 3,166 square feet of living space and a 0.45-acre lot.
When was 20 Greenway, Roslyn, NY built?
20 Greenway, Roslyn, NY was built in 1949, making it 77 years old. It is a ranch home. The building has 1 story.
What schools serve 20 Greenway, Roslyn, NY?
20 Greenway, 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 20 Greenway, Roslyn, NY compare to other homes in Roslyn 11576?
Among the 4,806 homes in Roslyn 11576, it is bigger than 62% of them (3,166 ft² against a typical 2,796 ft²), its lot is bigger than 69% of them (0.45 ac against a typical 0.35 ac) and it is newer than 10% of them (1949 against a typical 1965). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 20 Greenway, Roslyn, NY?
The 2025 property tax bill for 20 Greenway, Roslyn, NY was $21,547. The county assessed it at $952.
More homes on Greenway
- 10 Greenway$1.3M2.5 ba · 1,626 ft² · Sold $1.3M · Mar 2025
- 3 Greenway$1.6M2.5 ba · 1,943 ft² · Sold $950K · Dec 2020
- 12 Greenway$1.5M2.5 ba · 1,683 ft² · Sold $825K · Nov 2020
- 24 Greenway$2.1M6 bd · 6.5 ba · 3,585 ft² · Sold $1.9M · Aug 2017
- 28 Greenway2 ba · 1,825 ft² · Sold $475K · Feb 2017
- 4 Greenway$1.9M4 bd · 3 ba · 2,671 ft² · Sold $575K · Dec 2013
- 21 Greenway$1.7M3 ba · 2,151 ft² · Sold $830K · May 2012
- 11 Greenway$1.9M2.5 ba · 1,714 ft² · Sold $1M · Jan 2007
- 5 Greenway$1.6M2.5 ba · 1,952 ft² · Sold $820K · May 2005
- 18 Greenway$1.2M1.5 ba · 1,632 ft² · Sold $593K · Mar 2003
- 13 Greenway$1.4M2.5 ba · 1,736 ft² · Sold $340K · Jul 1999
- 19 Greenway$1.7M3.5 ba · 2,745 ft² · Sold $267K · Nov 1995
Closest homes
- 18 Greenway$1.2M108 ft · 1.5 ba · 1,632 ft² · Sold $593K · Mar 2003
- 5 Knollwood Rd$1.7M135 ft · 3.5 ba · 2,361 ft² · Sold $950K · Jul 2021
- 24 Greenway$2.1M135 ft · 6 bd · 6.5 ba · 3,585 ft² · Sold $1.9M · Aug 2017
- 3 Knollwood Rd$1.4M133 ft · 3 bd · 2.5 ba · 1,976 ft² · Sold $750K · Oct 2019
- 91 Port Washington Blvd$999K129 ft · 1.5 ba · 1,525 ft² · Sold $470K · Apr 2010
- Port Washington Blvd139 ft · 1,000 ft² · Sold Jan 1900
- 87 Port Washington Blvd$1.3M144 ft · 2.5 ba · 1,623 ft² · Sold $804K · Jul 2022
- 95 Port Washington Blvd$1.2M166 ft · 2 ba · 1,652 ft² · Sold Jan 1900
More homes in Roslyn 11576
- 2 Bonnie Lynn Ct$1.9M2.5 ba · 3,206 ft² · Sold $1.9M · May 2026
- 1 Peppermill Rd$1.5M3 ba · 2,602 ft² · Sold $1.5M · May 2026
- 20 Hemlock Dr$2.1M4 ba · 3,041 ft² · Sold $3.4M · May 2026
- 54 Acorn Ponds Dr$1.4M3.5 ba · 2,422 ft² · Sold $1.3M · May 2026
- 14 Lakeville Dr$2.4M4 ba · 3,659 ft² · Sold $2.1M · May 2026
- 2 Harbor Ct W$2.2M4 ba · 4,284 ft² · Sold $2.2M · May 2026
- 428 Toftree Ct$2.3M4.5 ba · 4,083 ft² · Sold $2.1M · Apr 2026
- 2 Cricket Club Dr$1.3M2.5 ba · 2,804 ft² · Sold $1.3M · Apr 2026
- 67 Knollwood Rd$959K1 ba · 1,479 ft² · Sold $975K · Apr 2026
- 161 Doral Ct$1.9M2.5 ba · 3,352 ft² · Sold $3.1M · Apr 2026
- 118 Shelter Rock Rd$1.2M1 ba · 2,540 ft² · Sold $1.2M · Apr 2026
- 19 Carriage Rd$1.1M2 ba · 2,150 ft² · Sold $1.1M · Apr 2026
Assigned schools
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