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Single Family ResidenceResidential
$604,329$306 / 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
Last sold for $152,000 on May 22, 2000

81 GREEN TREE DR

RIVERHEAD, NY 11901
3
Beds
1.5
Baths
1,978 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.
1.09 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$604K
$571K low$638K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$152,000 · May 22, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,593 (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.$55,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$674,020

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
CountySUFFOLK
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 120 ft²

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.

H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 1.3 mi
M
Riverhead Middle SchoolC+
Middle · Grades 6–8 · 1.4 mi
E
Roanoke Avenue SchoolF
Elementary · Grades PK–4 · 2.0 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

81 Green Tree 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 71% of homes in Suffolk County
  • Costs less per square foot than 90% of homes in Riverhead 11901
  • Bigger than 77% of homes in Riverhead 11901
  • Has a bigger lot than 96% of homes in Riverhead
  • Newer than 84% 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 49% 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$604,329
CheaperTypical $607,454Pricier

Pricier than 49% of homes nearby

Price per ft²$306
CheaperTypical $405Pricier

Pricier than 10% of homes nearby

Living area1,978 ft²
SmallerTypical 1,383 ft²Bigger

Bigger than 77% of homes nearby

Lot size1.09 ac
SmallerTypical 0.31 acBigger

Bigger than 94% of homes nearby

Year built1997
OlderTypical 1991Newer

Newer than 68% of homes nearby

How 81 Green Tree Dr ranks against every home in each area.
MeasureThis homeRiverheadRiverhead 11901Suffolk County
Estimated valuepricier than$604,32959% of homes49% of homes29% of homes
Price per ft²pricier than$30616% of homes10% of homes12% of homes
Living areabigger than1,978 ft²76% of homes77% of homes66% of homes
Lot sizebigger than1.09 ac96% of homes94% of homes93% of homes
Year builtnewer than199766% of homes68% of homes84% of homes

About 81 Green Tree Dr

How much is 81 Green Tree Dr, Riverhead, NY worth?

The TopHap Estimate for 81 Green Tree Dr, Riverhead, NY is $604,329 as of Sep 24, 2026. The likely range is $570,884 to $637,774. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 81 Green Tree Dr, Riverhead, NY last sell?

81 Green Tree Dr, Riverhead, NY last sold on May 22, 2000 for $152,000, according to the county's recorded deed.

How big is 81 Green Tree Dr, Riverhead, NY?

81 Green Tree Dr, Riverhead, NY has 3 bedrooms, 1.5 bathrooms and 1,978 square feet of living space.

When was 81 Green Tree Dr, Riverhead, NY built?

81 Green Tree Dr, Riverhead, NY was built in 1997, making it 29 years old. It is a raised ranch home. The building has 1 story.

What schools serve 81 Green Tree Dr, Riverhead, NY?

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

How does 81 Green Tree Dr, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,726 homes in Riverhead 11901, it is worth more than 49% of them ($604,329 against a typical $607,454), its price per square foot is higher than 10% of them ($306 against a typical $405), it is bigger than 77% of them (1,978 ft² against a typical 1,383 ft²), its lot is bigger than 94% of them (1.09 ac against a typical 0.31 ac) and it is newer than 68% of them (1997 against a typical 1991). Measured against all of Suffolk County, it is worth more than 29% 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 81 Green Tree Dr, Riverhead, NY?

The 2024 property tax bill for 81 Green Tree Dr, Riverhead, NY was $10,593. The county assessed it at $55,000.

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