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Single Family ResidenceResidential
$834,280$296 / 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 93How 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 $242,500 on Jan 5, 1999

256 GREEN AVE

FREEPORT, NY 11520
2
Baths
2,819 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1923
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

$834K
$775K low$894K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$242,500 · Jan 5, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,371 (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.$551 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$204
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$347
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$551
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$551,000

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.0.28
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.Wood Shingle
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.Deck · 240 ft²Patio · 240 ft²Porch · 112 ft²

Transaction History(2)

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

Neighborhood · ZIP 11520These 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.104
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 100.85

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
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.44,881
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,383 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,641
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,991
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

256 Green 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 more than 94% of homes in Freeport 11520
  • Among the lowest price per square foot in Nassau County
  • Bigger than 95% of homes in Freeport 11520
  • Has a bigger lot than 92% of homes in Freeport 11520
  • Older than 93% of homes in Nassau County

What homes are worth in Freeport 11520

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

This home
$403K$942K

This home is worth more than 94% of homes in Freeport 11520.

How it measures up in Freeport 11520

The dot is this home. The mark in the middle is the typical home in Freeport 11520.

Estimated value$834,280
CheaperTypical $647,192Pricier

Pricier than 94% of homes nearby

Price per ft²$296
CheaperTypical $411Pricier

Pricier than 6% of homes nearby

Living area2,819 ft²
SmallerTypical 1,629 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.27 ac
SmallerTypical 0.14 acBigger

Bigger than 92% of homes nearby

Year built1923
OlderTypical 1941Newer

Newer than 24% of homes nearby

How 256 Green Ave ranks against every home in each area.
MeasureThis homeFreeport 11520Nassau County
Estimated valuepricier than$834,28094% of homes51% of homes
Price per ft²pricier than$2966% of homesalmost no homes
Living areabigger than2,819 ft²95% of homes88% of homes
Lot sizebigger than0.27 ac92% of homes88% of homes
Year builtnewer than192324% of homes7% of homes

About 256 Green Ave

How much is 256 Green Ave, Freeport, NY worth?

The TopHap Estimate for 256 Green Ave, Freeport, NY is $834,280 as of Sep 24, 2026. The likely range is $774,589 to $893,971. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 256 Green Ave, Freeport, NY last sell?

256 Green Ave, Freeport, NY last sold on Jan 5, 1999 for $242,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 256 Green Ave, Freeport, NY?

256 Green Ave, Freeport, NY has 2 bathrooms, 2,819 square feet of living space and a 0.28-acre lot.

When was 256 Green Ave, Freeport, NY built?

256 Green Ave, Freeport, NY was built in 1923, making it 103 years old. It is a cottage home. The building has 1 story.

How does 256 Green Ave, Freeport, NY compare to other homes in Freeport 11520?

Among the 9,174 homes in Freeport 11520, it is worth more than 94% of them ($834,280 against a typical $647,192), its price per square foot is higher than 6% of them ($296 against a typical $411), it is bigger than 95% of them (2,819 ft² against a typical 1,629 ft²), its lot is bigger than 92% of them (0.27 ac against a typical 0.14 ac) and it is newer than 24% of them (1923 against a typical 1941). Measured against all of Nassau County, it is worth more than 51% 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 256 Green Ave, Freeport, NY?

The 2025 property tax bill for 256 Green Ave, Freeport, NY was $10,371. The county assessed it at $551.

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