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Single Family ResidenceResidential
$400,333$304 / 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 95How 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

218 RIVERSIDE AVE

RIVERHEAD, NY 11901
4
Beds
1
Baths
1,318 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$400K
$380K low$421K 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.$400,333
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$320,266

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$196,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$76,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$119,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$314,444

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.71%
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.0.2 percent flood zone

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.Mobile Home
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.1991
Lot (acres)The size of the land the home sits on, from county records.0.20
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Phillips Avenue SchoolD-
Elementary · Grades PK–4 · 1.3 mi
M
Riverhead Middle SchoolD
Middle · Grades 6–8 · 2.6 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 2.8 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
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

218 Riverside 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 97% of homes in Suffolk County
  • Costs less per square foot than 95% of homes in Flanders
  • Smaller than 71% of homes in Suffolk County
  • Has a smaller lot than 78% of homes in Riverhead 11901
  • Older than 98% of homes in Flanders

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
$357K$1.8M

This home is worth more than 5% 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$400,333
CheaperTypical $634,499Pricier

Pricier than 5% of homes nearby

Price per ft²$304
CheaperTypical $422Pricier

Pricier than 8% of homes nearby

Living area1,318 ft²
SmallerTypical 1,376 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.2 ac
SmallerTypical 0.31 acBigger

Bigger than 22% of homes nearby

Year built1982
OlderTypical 1991Newer

Newer than 36% of homes nearby

How 218 Riverside Ave ranks against every home in each area.
MeasureThis homeFlandersRiverhead 11901Suffolk County
Estimated valuepricier than$400,33312% of homes5% of homes3% of homes
Price per ft²pricier than$3045% of homes8% of homes11% of homes
Living areabigger than1,318 ft²60% of homes45% of homes29% of homes
Lot sizebigger than0.2 ac25% of homes22% of homes27% of homes
Year builtnewer than19822% of homes36% of homes67% of homes

About 218 Riverside Ave

How much is 218 Riverside Ave, Riverhead, NY worth?

The TopHap Estimate for 218 Riverside Ave, Riverhead, NY is $400,333 as of Jul 14, 2026. The likely range is $379,700 to $420,966. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 218 Riverside Ave, Riverhead, NY last sell?

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

How big is 218 Riverside Ave, Riverhead, NY?

218 Riverside Ave, Riverhead, NY has 4 bedrooms, 1 bathrooms, 1,318 square feet of living space and a 0.20-acre lot.

When was 218 Riverside Ave, Riverhead, NY built?

218 Riverside Ave, Riverhead, NY was built in 1982, making it 44 years old. It is a mobile home home. The building has 1 story.

What schools serve 218 Riverside Ave, Riverhead, NY?

218 Riverside Ave, Riverhead, NY is assigned to Phillips 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 218 Riverside Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,704 homes in Riverhead 11901, it is worth more than 5% of them ($400,333 against a typical $634,499), its price per square foot is higher than 8% of them ($304 against a typical $422), it is bigger than 45% of them (1,318 ft² against a typical 1,376 ft²), its lot is bigger than 22% of them (0.2 ac against a typical 0.31 ac) and it is newer than 36% of them (1982 against a typical 1991). Measured against all of Suffolk County, it is worth more than 3% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Riverside Ave

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Assigned schools

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