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Single Family ResidenceResidential
$801,986$436 / 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 96How 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 $523,500 on May 23, 2007

3660 ALCONA ST

SEAFORD, NY 11783
1
Baths
1,841 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$802K
$769K low$835K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$523,500 · May 23, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,954 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$449 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$202
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$247
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$449
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$449,000

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.97 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.91%
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.1 percent flood zone

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.Raised Ranch
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.14
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Seaford Harbor SchoolB+
Elementary · Grades KG–5 · 0.3 mi
H
Seaford Senior High SchoolB+
High · Grades 9–12 · 1.8 mi
M
Seaford Middle SchoolA+
Middle · Grades 6–8 · 1.8 mi

District: Seaford Union Free School District

Neighborhood · ZIP 11783These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.2%
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.20,916
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,468 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$149,221
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$164,452
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%

Owner Tools

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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

3660 Alcona St 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.

  • Costs less per square foot than 79% of homes in Nassau County
  • Bigger than 65% of homes in Seaford 11783
  • Has a smaller lot than 87% of homes in Seaford 11783
  • Newer than 80% of homes in Nassau County

What homes are worth in Seaford 11783

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

This home
$575K$1.2M

This home is worth more than 60% of homes in Seaford 11783.

How it measures up in Seaford 11783

The dot is this home. The mark in the middle is the typical home in Seaford 11783.

Estimated value$801,986
CheaperTypical $772,742Pricier

Pricier than 60% of homes nearby

Price per ft²$436
CheaperTypical $469Pricier

Pricier than 30% of homes nearby

Living area1,841 ft²
SmallerTypical 1,656 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 13% of homes nearby

Year built1963
OlderTypical 1954Newer

Newer than 78% of homes nearby

How 3660 Alcona St ranks against every home in each area.
MeasureThis homeSeafordSeaford 11783Nassau County
Estimated valuepricier than$801,98657% of homes60% of homes45% of homes
Price per ft²pricier than$43635% of homes30% of homes21% of homes
Living areabigger than1,841 ft²60% of homes65% of homes56% of homes
Lot sizebigger than0.14 ac17% of homes13% of homes29% of homes
Year builtnewer than196372% of homes78% of homes80% of homes

About 3660 Alcona St

How much is 3660 Alcona St, Seaford, NY worth?

The TopHap Estimate for 3660 Alcona St, Seaford, NY is $801,986 as of Sep 24, 2026. The likely range is $768,513 to $835,459. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3660 Alcona St, Seaford, NY last sell?

3660 Alcona St, Seaford, NY last sold on May 23, 2007 for $523,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3660 Alcona St, Seaford, NY?

3660 Alcona St, Seaford, NY has 1 bathrooms, 1,841 square feet of living space and a 0.14-acre lot.

When was 3660 Alcona St, Seaford, NY built?

3660 Alcona St, Seaford, NY was built in 1963, making it 63 years old. It is a raised ranch home. The building has 1 story.

What schools serve 3660 Alcona St, Seaford, NY?

3660 Alcona St, Seaford, NY is assigned to Seaford Harbor School (elementary), rated B+; Seaford Senior High School (high), rated B+; Seaford Middle School (middle), rated A+. All sit in Seaford Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3660 Alcona St, Seaford, NY compare to other homes in Seaford 11783?

Among the 7,149 homes in Seaford 11783, it is worth more than 60% of them ($801,986 against a typical $772,742), its price per square foot is higher than 30% of them ($436 against a typical $469), it is bigger than 65% of them (1,841 ft² against a typical 1,656 ft²), its lot is bigger than 13% of them (0.14 ac against a typical 0.15 ac) and it is newer than 78% of them (1963 against a typical 1954). Measured against all of Nassau County, it is worth more than 45% 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 3660 Alcona St, Seaford, NY?

The 2026 property tax bill for 3660 Alcona St, Seaford, NY was $12,954. The county assessed it at $449.

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