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Duplex (2 Units, Any Combination)Residential
Last sold for $495,000 on Sep 12, 2012

31 COOLIDGE AVE

ROSLYN HEIGHTS, NY 11577
4
Baths
3,200 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.
0.22 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.
9
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.$495,000 · Sep 12, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,722 (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.$749 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$327
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$422
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$749
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$749,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.21
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

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 · 0.2 mi
H
Roslyn High SchoolA
High · Grades 9–12 · 0.5 mi
M
Roslyn Middle SchoolA-
Middle · Grades 6–8 · 0.6 mi

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

31 Coolidge 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.

  • Bigger than 92% of homes in Nassau County
  • Has a bigger lot than 80% of homes in Nassau County
  • Newer than 70% of homes in Nassau County

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.

Living area3,200 ft²
SmallerTypical 2,387 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.22 ac
SmallerTypical 0.24 acBigger

Bigger than 40% of homes nearby

Year built1957
OlderTypical 1951Newer

Newer than 67% of homes nearby

How 31 Coolidge Ave ranks against every home in each area.
MeasureThis homeRoslyn HeightsRoslyn Heights 11577Nassau County
Living areabigger than3,200 ft²72% of homes77% of homes92% of homes
Lot sizebigger than0.22 ac55% of homes40% of homes80% of homes
Year builtnewer than195756% of homes67% of homes70% of homes

About 31 Coolidge Ave

When did 31 Coolidge Ave, Roslyn Heights, NY last sell?

31 Coolidge Ave, Roslyn Heights, NY last sold on Sep 12, 2012 for $495,000, according to the county's recorded deed.

How big is 31 Coolidge Ave, Roslyn Heights, NY?

31 Coolidge Ave, Roslyn Heights, NY has 4 bathrooms, 3,200 square feet of living space and a 0.21-acre lot.

When was 31 Coolidge Ave, Roslyn Heights, NY built?

31 Coolidge Ave, Roslyn Heights, NY was built in 1957, making it 69 years old. It is a colonial home. The building has 1 story.

What schools serve 31 Coolidge Ave, Roslyn Heights, NY?

31 Coolidge 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 31 Coolidge Ave, Roslyn Heights, NY compare to other homes in Roslyn Heights 11577?

Among the 3,676 homes in Roslyn Heights 11577, it is bigger than 77% of them (3,200 ft² against a typical 2,387 ft²), its lot is bigger than 40% of them (0.22 ac against a typical 0.24 ac) and it is newer than 67% of them (1957 against a typical 1951). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 31 Coolidge Ave, Roslyn Heights, NY?

The 2025 property tax bill for 31 Coolidge Ave, Roslyn Heights, NY was $17,722. The county assessed it at $749.

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