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Single Family ResidenceResidential
$745,516$643 / 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 94How 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 $510,000 on May 11, 2020

554 CORNWELL AVE

MALVERNE, NY 11565
1.5
Baths
1,160 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$746K
$704K low$787K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$510,000 · May 11, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,361 (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.$398 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$175
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$223
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$423
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$398,000

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.Colonial
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (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
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.Deck · 184 ft²Patio · 184 ft²Porch · 32 ft²

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

M
Valley Stream North High SchoolB+
Middle · Grades 7–12 · 0.7 mi

District: Valley Stream Central High School District

Neighborhood · ZIP 11565These 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.53
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 100.92

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
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.8,481
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,778 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$164,360
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$184,712
Average tempThe average temperature here across a full year.54°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

554 Cornwell 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 74% of homes in Malverne 11565
  • Costs more per square foot than 95% of homes in Malverne 11565
  • Smaller than 95% of homes in Malverne 11565
  • Has a smaller lot than 76% of homes in Nassau County
  • Older than 76% of homes in Nassau County

What homes are worth in Malverne 11565

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

This home
$625K$1.1M

This home is worth more than 26% of homes in Malverne 11565.

How it measures up in Malverne 11565

The dot is this home. The mark in the middle is the typical home in Malverne 11565.

Estimated value$745,516
CheaperTypical $809,172Pricier

Pricier than 26% of homes nearby

Price per ft²$643
CheaperTypical $493Pricier

Pricier than 95% of homes nearby

Living area1,160 ft²
SmallerTypical 1,626 ft²Bigger

Bigger than 5% of homes nearby

Lot size0.12 ac
SmallerTypical 0.13 acBigger

Bigger than 37% of homes nearby

Year built1940
OlderTypical 1941Newer

Newer than 49% of homes nearby

How 554 Cornwell Ave ranks against every home in each area.
MeasureThis homeMalverne 11565Nassau County
Estimated valuepricier than$745,51626% of homes33% of homes
Price per ft²pricier than$64395% of homes83% of homes
Living areabigger than1,160 ft²5% of homes11% of homes
Lot sizebigger than0.12 ac37% of homes24% of homes
Year builtnewer than194049% of homes24% of homes

About 554 Cornwell Ave

How much is 554 Cornwell Ave, Malverne, NY worth?

The TopHap Estimate for 554 Cornwell Ave, Malverne, NY is $745,516 as of Oct 21, 2026. The likely range is $703,564 to $787,468. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 554 Cornwell Ave, Malverne, NY last sell?

554 Cornwell Ave, Malverne, NY last sold on May 11, 2020 for $510,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 554 Cornwell Ave, Malverne, NY?

554 Cornwell Ave, Malverne, NY has 1.5 bathrooms, 1,160 square feet of living space and a 0.12-acre lot.

When was 554 Cornwell Ave, Malverne, NY built?

554 Cornwell Ave, Malverne, NY was built in 1940, making it 86 years old. It is a colonial home. The building has 2 stories.

What schools serve 554 Cornwell Ave, Malverne, NY?

554 Cornwell Ave, Malverne, NY is assigned to Valley Stream North High School (middle), rated B+. All sit in Valley Stream Central High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 554 Cornwell Ave, Malverne, NY compare to other homes in Malverne 11565?

Among the 3,128 homes in Malverne 11565, it is worth more than 26% of them ($745,516 against a typical $809,172), its price per square foot is higher than 95% of them ($643 against a typical $493), it is bigger than 5% of them (1,160 ft² against a typical 1,626 ft²), its lot is bigger than 37% of them (0.12 ac against a typical 0.13 ac) and it is newer than 49% of them (1940 against a typical 1941). Measured against all of Nassau County, it is worth more than 33% 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 554 Cornwell Ave, Malverne, NY?

The 2025 property tax bill for 554 Cornwell Ave, Malverne, NY was $7,361. The county assessed it at $398.

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