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Single Family ResidenceResidential
$1,023,563$999 / 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 86How 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
Last sold for $450,000 on Jun 12, 2003

18 AVALON RD

GREAT NECK, NY 11021
1
Baths
1,025 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1929
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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
$882K 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.$450,000 · Jun 12, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,273 (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.$616 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$413
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$203
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$664
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$616,000

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.Cottage
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.16
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.Tile
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, Detached
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.Commercial/Industrial
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 20 ft²Porch · 100 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
Elizabeth M. Baker Elementary SchoolA+
Elementary · Grades KG–5 · 1.4 mi
H
William A. Shine Great Neck South High SchoolA+
High · Grades 9–12 · 1.4 mi
M
Great Neck South Middle SchoolA+
Middle · Grades 6–8 · 1.5 mi

District: Great Neck Union Free School District

Neighborhood · ZIP 11021These 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.133
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.19,074
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,979 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,759
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$170,548
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

18 Avalon Rd 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 88% of homes in Great Neck 11021
  • Among the highest price per square foot in Nassau County
  • Smaller than 98% of homes in Great Neck 11021
  • Has a smaller lot than 79% of homes in Great Neck 11021
  • Older than 85% of homes in Nassau County

What homes are worth in Great Neck 11021

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

This home
$643K$4M

This home is worth more than 12% of homes in Great Neck 11021.

How it measures up in Great Neck 11021

The dot is this home. The mark in the middle is the typical home in Great Neck 11021.

Estimated value$1,023,563
CheaperTypical $1,662,917Pricier

Pricier than 12% of homes nearby

Price per ft²$999
CheaperTypical $666Pricier

Pricier than 98% of homes nearby

Living area1,025 ft²
SmallerTypical 2,622 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.16 ac
SmallerTypical 0.25 acBigger

Bigger than 21% of homes nearby

Year built1929
OlderTypical 1940Newer

Newer than 30% of homes nearby

How 18 Avalon Rd ranks against every home in each area.
MeasureThis homeGreat Neck 11021Nassau County
Estimated valuepricier than$1,023,56312% of homes71% of homes
Price per ft²pricier than$99998% of homesalmost all homes
Living areabigger than1,025 ft²2% of homes4% of homes
Lot sizebigger than0.16 ac21% of homes60% of homes
Year builtnewer than192930% of homes15% of homes

About 18 Avalon Rd

How much is 18 Avalon Rd, Great Neck, NY worth?

The TopHap Estimate for 18 Avalon Rd, Great Neck, NY is $1,023,563 as of Sep 24, 2026. The likely range is $882,467 to $1,164,659. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Avalon Rd, Great Neck, NY last sell?

18 Avalon Rd, Great Neck, NY last sold on Jun 12, 2003 for $450,000, according to the county's recorded deed.

How big is 18 Avalon Rd, Great Neck, NY?

18 Avalon Rd, Great Neck, NY has 1 bathrooms, 1,025 square feet of living space and a 0.16-acre lot.

When was 18 Avalon Rd, Great Neck, NY built?

18 Avalon Rd, Great Neck, NY was built in 1929, making it 97 years old. It is a cottage home. The building has 1 story.

What schools serve 18 Avalon Rd, Great Neck, NY?

18 Avalon Rd, Great Neck, NY is assigned to Elizabeth M. Baker Elementary School (elementary), rated A+; William A. Shine Great Neck South High School (high), rated A+; Great Neck South Middle School (middle), rated A+. All sit in Great Neck Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Avalon Rd, Great Neck, NY compare to other homes in Great Neck 11021?

Among the 3,615 homes in Great Neck 11021, it is worth more than 12% of them ($1,023,563 against a typical $1,662,917), its price per square foot is higher than 98% of them ($999 against a typical $666), it is bigger than 2% of them (1,025 ft² against a typical 2,622 ft²), its lot is bigger than 21% of them (0.16 ac against a typical 0.25 ac) and it is newer than 30% of them (1929 against a typical 1940). Measured against all of Nassau County, it is worth more than 71% 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 18 Avalon Rd, Great Neck, NY?

The 2025 property tax bill for 18 Avalon Rd, Great Neck, NY was $12,273. The county assessed it at $616.

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Assigned schools

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