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Single Family ResidenceResidential
$406,514$631 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

1599 OSBORN AVE

RIVERHEAD, NY 11901
2
Beds
1
Baths
644 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$407K
$364K low$449K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$406,514
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$325,211

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,861 (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.$21,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$14,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$257,353

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.1980
Lot (acres)The size of the land the home sits on, from county records.0.50
HeatingThe type of heating system in the home.Hot Water
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.Canal

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

H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 1.6 mi
M
Riverhead Middle SchoolD
Middle · Grades 6–8 · 1.8 mi
E
Riley Avenue SchoolD
Elementary · Grades PK–4 · 1.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

1599 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 96% of homes in Suffolk County
  • Costs more per square foot than 98% of homes in Riverhead
  • Among the smallest homes in Suffolk County
  • Has a bigger lot than 82% of homes in Riverhead
  • Older than 76% of homes in Riverhead 11901

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
$353K$1.7M

This home is worth more than 6% 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$406,514
CheaperTypical $634,275Pricier

Pricier than 6% of homes nearby

Price per ft²$631
CheaperTypical $423Pricier

Pricier than 93% of homes nearby

Living area644 ft²
SmallerTypical 1,383 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.5 ac
SmallerTypical 0.32 acBigger

Bigger than 71% of homes nearby

Year built1959
OlderTypical 1991Newer

Newer than 24% of homes nearby

How 1599 Osborn Ave ranks against every home in each area.
MeasureThis homeRiverheadRiverhead 11901Suffolk County
Estimated valuepricier than$406,5146% of homes6% of homes4% of homes
Price per ft²pricier than$63198% of homes93% of homes86% of homes
Living areabigger than644 ft²7% of homes7% of homesalmost no homes
Lot sizebigger than0.5 ac82% of homes71% of homes76% of homes
Year builtnewer than195939% of homes24% of homes29% of homes

About 1599 Osborn Ave

How much is 1599 Osborn Ave, Riverhead, NY worth?

The TopHap Estimate for 1599 Osborn Ave, Riverhead, NY is $406,514 as of Jul 14, 2026. The likely range is $363,615 to $449,413. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1599 Osborn Ave, Riverhead, NY last sell?

1599 Osborn Ave, Riverhead, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1599 Osborn Ave, Riverhead, NY?

1599 Osborn Ave, Riverhead, NY has 2 bedrooms, 1 bathrooms, 644 square feet of living space and a 0.50-acre lot.

When was 1599 Osborn Ave, Riverhead, NY built?

1599 Osborn Ave, Riverhead, NY was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 1599 Osborn Ave, Riverhead, NY?

1599 Osborn Ave, Riverhead, NY is assigned to Riverhead Senior High School (high), rated C-; Riverhead Middle School (middle), rated D; Riley Avenue School (elementary), rated D. All sit in Riverhead Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1599 Osborn Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,718 homes in Riverhead 11901, it is worth more than 6% of them ($406,514 against a typical $634,275), its price per square foot is higher than 93% of them ($631 against a typical $423), it is bigger than 7% of them (644 ft² against a typical 1,383 ft²), its lot is bigger than 71% of them (0.5 ac against a typical 0.32 ac) and it is newer than 24% of them (1959 against a typical 1991). Measured against all of Suffolk County, it is worth more than 4% 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 1599 Osborn Ave, Riverhead, NY?

The 2024 property tax bill for 1599 Osborn Ave, Riverhead, NY was $2,861. The county assessed it at $21,000.

Closest homes

More homes in Riverhead 11901

Assigned schools

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