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Duplex (2 Units, Any Combination)Residential
Last sold for $357,142 on Dec 11, 2007

640 ROANOKE AVE

RIVERHEAD, NY 11901
4
Beds
3
Baths
1,786 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$357,142 · Dec 11, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,364 (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.$33,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$23,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$415,441

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.16
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Roanoke Avenue SchoolD-
Elementary · Grades PK–4 · 0.1 mi
M
Riverhead Middle SchoolD
Middle · Grades 6–8 · 0.5 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 0.7 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

640 Roanoke 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.

  • Bigger than 70% of homes in Riverhead 11901
  • Has a smaller lot than 89% of homes in Riverhead 11901
  • Among the oldest homes in Suffolk County

How it measures up in Riverhead 11901

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

Living area1,786 ft²
SmallerTypical 1,374 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.16 ac
SmallerTypical 0.31 acBigger

Bigger than 11% of homes nearby

Year built1900
OlderTypical 1991Newer

Newer than 3% of homes nearby

How 640 Roanoke Ave ranks against every home in each area.
MeasureThis homeRiverheadRiverhead 11901Suffolk County
Living areabigger than1,786 ft²67% of homes70% of homes55% of homes
Lot sizebigger than0.16 ac12% of homes11% of homes16% of homes
Year builtnewer than19005% of homes3% of homesalmost no homes

About 640 Roanoke Ave

When did 640 Roanoke Ave, Riverhead, NY last sell?

640 Roanoke Ave, Riverhead, NY last sold on Dec 11, 2007 for $357,142, according to the county's recorded deed.

How big is 640 Roanoke Ave, Riverhead, NY?

640 Roanoke Ave, Riverhead, NY has 4 bedrooms, 3 bathrooms, 1,786 square feet of living space and a 0.16-acre lot.

When was 640 Roanoke Ave, Riverhead, NY built?

640 Roanoke Ave, Riverhead, NY was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 640 Roanoke Ave, Riverhead, NY?

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

How does 640 Roanoke Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,718 homes in Riverhead 11901, it is bigger than 70% of them (1,786 ft² against a typical 1,374 ft²), its lot is bigger than 11% of them (0.16 ac against a typical 0.31 ac) and it is newer than 3% of them (1900 against a typical 1991). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 640 Roanoke Ave, Riverhead, NY?

The 2024 property tax bill for 640 Roanoke Ave, Riverhead, NY was $7,364. The county assessed it at $33,900.

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Assigned schools

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