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Single Family ResidenceResidential
$605,762$256 / 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 94How 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

1838 OSBORN AVE

RIVERHEAD, NY 11901
3
Beds
2
Baths
2,368 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.
1.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
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

$606K
$570K low$642K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,595 (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.$49,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$41,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$611,520

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.30 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountySUFFOLK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2000
HeatingThe type of heating system in the home.Hot Water
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

Transaction History(1)

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
Riley Avenue SchoolC-
Elementary · Grades PK–4 · 1.5 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 2.2 mi
M
Riverhead Middle SchoolC+
Middle · Grades 6–8 · 2.3 mi

District: Riverhead Central School District

Neighborhood · ZIP 11901These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.29,638
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.531 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,609
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,711
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

1838 Osborn 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 70% of homes in Suffolk County
  • Costs less per square foot than 97% of homes in Suffolk County
  • Bigger than 87% of homes in Riverhead
  • Has a bigger lot than 96% of homes in Riverhead
  • Newer than 71% of homes in Suffolk County

What homes are worth in Riverhead 11901

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

This home
$339K$1.9M

This home is worth more than 50% of homes in Riverhead 11901.

How it measures up in Riverhead 11901

The dot is this home. The mark in the middle is the typical home in Riverhead 11901.

Estimated value$605,762
CheaperTypical $607,454Pricier

Pricier than 50% of homes nearby

Price per ft²$256
CheaperTypical $405Pricier

Pricier than 4% of homes nearby

Living area2,368 ft²
SmallerTypical 1,383 ft²Bigger

Bigger than 87% of homes nearby

Lot size1.18 ac
SmallerTypical 0.31 acBigger

Bigger than 94% of homes nearby

Year built1987
OlderTypical 1991Newer

Newer than 41% of homes nearby

How 1838 Osborn Ave ranks against every home in each area.
MeasureThis homeRiverheadRiverhead 11901Suffolk County
Estimated valuepricier than$605,76259% of homes50% of homes30% of homes
Price per ft²pricier than$2566% of homes4% of homes3% of homes
Living areabigger than2,368 ft²87% of homes87% of homes81% of homes
Lot sizebigger than1.18 ac96% of homes94% of homes94% of homes
Year builtnewer than198756% of homes41% of homes71% of homes

About 1838 Osborn Ave

How much is 1838 Osborn Ave, Riverhead, NY worth?

The TopHap Estimate for 1838 Osborn Ave, Riverhead, NY is $605,762 as of Sep 24, 2026. The likely range is $569,586 to $641,938. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1838 Osborn Ave, Riverhead, NY last sell?

1838 Osborn Ave, Riverhead, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1838 Osborn Ave, Riverhead, NY?

1838 Osborn Ave, Riverhead, NY has 3 bedrooms, 2 bathrooms and 2,368 square feet of living space.

When was 1838 Osborn Ave, Riverhead, NY built?

1838 Osborn Ave, Riverhead, NY was built in 1987, making it 39 years old. It is a cape cod home. The building has 1 story.

What schools serve 1838 Osborn Ave, Riverhead, NY?

1838 Osborn Ave, Riverhead, NY is assigned to Riley Avenue School (elementary), rated C-; Riverhead Senior High School (high), rated C-; Riverhead Middle School (middle), rated C+. All sit in Riverhead Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1838 Osborn Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,726 homes in Riverhead 11901, it is worth more than 50% of them ($605,762 against a typical $607,454), its price per square foot is higher than 4% of them ($256 against a typical $405), it is bigger than 87% of them (2,368 ft² against a typical 1,383 ft²), its lot is bigger than 94% of them (1.18 ac against a typical 0.31 ac) and it is newer than 41% of them (1987 against a typical 1991). Measured against all of Suffolk County, it is worth more than 30% 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 1838 Osborn Ave, Riverhead, NY?

The 2024 property tax bill for 1838 Osborn Ave, Riverhead, NY was $9,595. The county assessed it at $49,900.

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