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Single Family ResidenceResidential
$652,846$369 / 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 Oct 21, 2026

247 GRAND AVE

FREEPORT, NY 11520
2
Baths
1,769 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1938
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.

Valuation

$653K
$610K low$696K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,221 (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.$402 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$262
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$402
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$402,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.48 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.Cape Cod
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.15
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, 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.Highway

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

M
John W Dodd Middle SchoolB-
Middle · Grades 7–8 · 0.8 mi
E
New Visions Elementary SchoolA
Elementary · Grades KG–4 · 0.9 mi
H
Freeport High SchoolC-
High · Grades 9–12 · 1.6 mi

District: Freeport Union Free School District

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

247 Grand 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 86% of homes in Nassau County
  • Costs less per square foot than 94% of homes in Nassau County
  • Older than 78% 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
$422K$952K

This home is worth more than 56% 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$652,846
CheaperTypical $636,465Pricier

Pricier than 56% of homes nearby

Price per ft²$369
CheaperTypical $404Pricier

Pricier than 35% of homes nearby

Living area1,769 ft²
SmallerTypical 1,634 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.15 ac
SmallerTypical 0.14 acBigger

Bigger than 56% of homes nearby

Year built1938
OlderTypical 1946Newer

Newer than 47% of homes nearby

How 247 Grand Ave ranks against every home in each area.
MeasureThis homeFreeport 11520Nassau County
Estimated valuepricier than$652,84656% of homes14% of homes
Price per ft²pricier than$36935% of homes6% of homes
Living areabigger than1,769 ft²60% of homes53% of homes
Lot sizebigger than0.15 ac56% of homes53% of homes
Year builtnewer than193847% of homes22% of homes

About 247 Grand Ave

How much is 247 Grand Ave, Freeport, NY worth?

The TopHap Estimate for 247 Grand Ave, Freeport, NY is $652,846 as of Oct 21, 2026. The likely range is $609,632 to $696,060. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 247 Grand Ave, Freeport, NY last sell?

247 Grand Ave, Freeport, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 247 Grand Ave, Freeport, NY?

247 Grand Ave, Freeport, NY has 2 bathrooms, 1,769 square feet of living space and a 0.15-acre lot.

When was 247 Grand Ave, Freeport, NY built?

247 Grand Ave, Freeport, NY was built in 1938, making it 88 years old. It is a cape cod home. The building has 1 story.

What schools serve 247 Grand Ave, Freeport, NY?

247 Grand Ave, Freeport, NY is assigned to John W Dodd Middle School (middle), rated B-; New Visions Elementary School (elementary), rated A; Freeport High School (high), rated C-. All sit in Freeport Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 247 Grand Ave, Freeport, NY compare to other homes in Freeport 11520?

Among the 9,174 homes in Freeport 11520, it is worth more than 56% of them ($652,846 against a typical $636,465), its price per square foot is higher than 35% of them ($369 against a typical $404), it is bigger than 60% of them (1,769 ft² against a typical 1,634 ft²), its lot is bigger than 56% of them (0.15 ac against a typical 0.14 ac) and it is newer than 47% of them (1938 against a typical 1946). Measured against all of Nassau County, it is worth more than 14% 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 247 Grand Ave, Freeport, NY?

The 2025 property tax bill for 247 Grand Ave, Freeport, NY was $5,221. The county assessed it at $402.

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