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Single Family ResidenceResidential
$546,453$309 / 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 $439,000 on Feb 6, 2023

18 BISCAYNE DR

SELDEN, NY 11784
3
Beds
1
Baths
1,770 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
1
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

$546K
$506K low$587K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$439,000 · Feb 6, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,524 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$2,175 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,025
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$453,125

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.Ranch
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Radiant
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.Waterfront

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.

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

M
Selden Middle SchoolD+
Middle · Grades 6–9 · 1.0 mi
E
Stagecoach SchoolD
Elementary · Grades KG–5 · 1.2 mi
H
Newfield High SchoolA-
High · Grades 9–12 · 1.3 mi

District: Middle Country Central School District

Neighborhood · ZIP 11784These 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.65
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 100.63

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.25,563
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,481 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,886
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,440
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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 Biscayne Dr 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 85% of homes in Centereach
  • Costs less per square foot than 87% of homes in Suffolk County
  • Has a smaller lot than 78% of homes in Centereach

What homes are worth in Selden 11784

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

This home
$353K$829K

This home is worth more than 23% of homes in Selden 11784.

How it measures up in Selden 11784

The dot is this home. The mark in the middle is the typical home in Selden 11784.

Estimated value$546,453
CheaperTypical $598,991Pricier

Pricier than 23% of homes nearby

Price per ft²$309
CheaperTypical $385Pricier

Pricier than 21% of homes nearby

Living area1,770 ft²
SmallerTypical 1,598 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.22 ac
SmallerTypical 0.23 acBigger

Bigger than 42% of homes nearby

Year built1966
OlderTypical 1966Newer

Newer than 53% of homes nearby

How 18 Biscayne Dr ranks against every home in each area.
MeasureThis homeCentereachSelden 11784Suffolk County
Estimated valuepricier than$546,45315% of homes23% of homes16% of homes
Price per ft²pricier than$30914% of homes21% of homes13% of homes
Living areabigger than1,770 ft²57% of homes63% of homes55% of homes
Lot sizebigger than0.22 ac22% of homes42% of homes31% of homes
Year builtnewer than196654% of homes53% of homes43% of homes

About 18 Biscayne Dr

How much is 18 Biscayne Dr, Selden, NY worth?

The TopHap Estimate for 18 Biscayne Dr, Selden, NY is $546,453 as of Sep 24, 2026. The likely range is $505,533 to $587,373. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Biscayne Dr, Selden, NY last sell?

18 Biscayne Dr, Selden, NY last sold on Feb 6, 2023 for $439,000, according to the county's recorded deed.

How big is 18 Biscayne Dr, Selden, NY?

18 Biscayne Dr, Selden, NY has 3 bedrooms, 1 bathrooms, 1,770 square feet of living space and a 0.22-acre lot.

When was 18 Biscayne Dr, Selden, NY built?

18 Biscayne Dr, Selden, NY was built in 1966, making it 60 years old. It is a ranch home. The building has 1 story.

What schools serve 18 Biscayne Dr, Selden, NY?

18 Biscayne Dr, Selden, NY is assigned to Selden Middle School (middle), rated D+; Stagecoach School (elementary), rated D; Newfield High School (high), rated A-. All sit in Middle Country Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Biscayne Dr, Selden, NY compare to other homes in Selden 11784?

Among the 7,032 homes in Selden 11784, it is worth more than 23% of them ($546,453 against a typical $598,991), its price per square foot is higher than 21% of them ($309 against a typical $385), it is bigger than 63% of them (1,770 ft² against a typical 1,598 ft²), its lot is bigger than 42% of them (0.22 ac against a typical 0.23 ac) and it is newer than 53% of them (1966 against a typical 1966). Measured against all of Suffolk County, it is worth more than 16% 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 Biscayne Dr, Selden, NY?

The 2024 property tax bill for 18 Biscayne Dr, Selden, NY was $7,524. The county assessed it at $2,175.

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