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Single Family ResidenceResidential
$523,363$426 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $425,000 on Feb 3, 2023

51 OSAGE ST

SELDEN, NY 11784
3
Beds
1
Baths
1,228 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$523K
$496K low$551K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$425,000 · Feb 3, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,527 (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.$2,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$437,500

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.31
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
85
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
1
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Ranch
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.28
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(5)

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(3)

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

E
Bicycle Path Kindergarten-Pre K Center
Elementary · Grades PK–KG · 1.4 mi
H
Centereach High SchoolB
High · Grades 8–12 · 2.0 mi
M
Dawnwood Middle SchoolC
Middle · Grades 6–8 · 2.1 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

51 Osage 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.

  • Worth less than 86% of homes in Suffolk County
  • Costs more per square foot than 67% of homes in Selden 11784
  • Smaller than 76% of homes in Suffolk County
  • Has a bigger lot than 68% of homes in Selden
  • Older than 81% of homes in Selden 11784

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
$362K$828K

This home is worth more than 17% 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$523,363
CheaperTypical $594,541Pricier

Pricier than 17% of homes nearby

Price per ft²$426
CheaperTypical $380Pricier

Pricier than 67% of homes nearby

Living area1,228 ft²
SmallerTypical 1,598 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.28 ac
SmallerTypical 0.23 acBigger

Bigger than 65% of homes nearby

Year built1955
OlderTypical 1966Newer

Newer than 19% of homes nearby

How 51 Osage St ranks against every home in each area.
MeasureThis homeSeldenSelden 11784Suffolk County
Estimated valuepricier than$523,36317% of homes17% of homes14% of homes
Price per ft²pricier than$42661% of homes67% of homes55% of homes
Living areabigger than1,228 ft²30% of homes26% of homes24% of homes
Lot sizebigger than0.28 ac68% of homes65% of homes51% of homes
Year builtnewer than195520% of homes19% of homes23% of homes

About 51 Osage St

How much is 51 Osage St, Selden, NY worth?

The TopHap Estimate for 51 Osage St, Selden, NY is $523,363 as of Aug 30, 2026. The likely range is $495,831 to $550,895. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Osage St, Selden, NY last sell?

51 Osage St, Selden, NY last sold on Feb 3, 2023 for $425,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 51 Osage St, Selden, NY?

51 Osage St, Selden, NY has 3 bedrooms, 1 bathrooms, 1,228 square feet of living space and a 0.28-acre lot.

When was 51 Osage St, Selden, NY built?

51 Osage St, Selden, NY was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 51 Osage St, Selden, NY?

51 Osage St, Selden, NY is assigned to Bicycle Path Kindergarten-Pre K Center (elementary); Centereach High School (high), rated B; Dawnwood Middle School (middle), rated C. All sit in Middle Country Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Osage St, Selden, NY compare to other homes in Selden 11784?

Among the 7,032 homes in Selden 11784, it is worth more than 17% of them ($523,363 against a typical $594,541), its price per square foot is higher than 67% of them ($426 against a typical $380), it is bigger than 26% of them (1,228 ft² against a typical 1,598 ft²), its lot is bigger than 65% of them (0.28 ac against a typical 0.23 ac) and it is newer than 19% of them (1955 against a typical 1966). Measured against all of Suffolk 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 51 Osage St, Selden, NY?

The 2024 property tax bill for 51 Osage St, Selden, NY was $9,527. The county assessed it at $2,100.

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