Skip to content
Skip to content
TopHapOpen in map
Public School (Administration, Campus, Dorms, Instruction)Public Works

700 HARRISON AVE

RIVERHEAD, NY 11901
11
Baths
252,053 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.
31.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$106,238 (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.$20,500,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$442,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,058,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$251,225,490

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.78 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.Public School (Administration, Campus, Dorms, Instruction)
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountySUFFOLK
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.Inferior

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 · 0.1 mi
M
Riverhead Middle SchoolD
Middle · Grades 6–8 · 0.2 mi
E
Roanoke Avenue SchoolD-
Elementary · Grades PK–4 · 0.8 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%

Owner Tools

Do you own this home?
Claim this home

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

700 Harrison 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.

  • Among the largest homes in Riverhead
  • Among the largest lots in Riverhead
  • Older than 68% 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.

Living area252,053 ft²
SmallerTypical 1,374 ft²Bigger

Bigger than almost all homes nearby

Lot size31.6 ac
SmallerTypical 0.31 acBigger

Bigger than almost all homes nearby

Year built1972
OlderTypical 1991Newer

Newer than 32% of homes nearby

How 700 Harrison Ave ranks against every home in each area.
MeasureThis homeRiverheadRiverhead 11901Suffolk County
Living areabigger than252,053 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than31.6 acalmost all homesalmost all homesalmost all homes
Year builtnewer than197251% of homes32% of homes55% of homes

About 700 Harrison Ave

When did 700 Harrison Ave, Riverhead, NY last sell?

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

How big is 700 Harrison Ave, Riverhead, NY?

700 Harrison Ave, Riverhead, NY has 11 bathrooms and 252,053 square feet of living space.

When was 700 Harrison Ave, Riverhead, NY built?

700 Harrison Ave, Riverhead, NY was built in 1972, making it 54 years old. It is a colonial home. The building has 2 stories.

What schools serve 700 Harrison Ave, Riverhead, NY?

700 Harrison Ave, Riverhead, NY is assigned to Riverhead Senior High School (high), rated C-; Riverhead Middle School (middle), rated D; Roanoke 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 700 Harrison Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,718 homes in Riverhead 11901, it is bigger than almost all of them (252,053 ft² against a typical 1,374 ft²), its lot is bigger than almost all of them (31.6 ac against a typical 0.31 ac) and it is newer than 32% of them (1972 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 700 Harrison Ave, Riverhead, NY?

The 2024 property tax bill for 700 Harrison Ave, Riverhead, NY was $106,238. The county assessed it at $20,500,000.

More homes on Harrison Ave

Closest homes

More homes in Riverhead 11901

Assigned schools

Explore the area

See this home in context

Open 700 Harrison Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map