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Single Family ResidenceResidential
$504,073$532 / 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 $75,000 on Apr 10, 2018

51 RIVERSIDE AVE

AMITYVILLE, NY 11701
3
Beds
2
Baths
948 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$504K
$476K low$532K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$75,000 · Apr 10, 2018

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.$296,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$124,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$171,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$469,841

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
Lot (acres)The size of the land the home sits on, from county records.0.52
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 234 ft²

Transaction History(3)

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
Phillips Avenue SchoolF
Elementary · Grades PK–4 · 0.9 mi
M
Riverhead Middle SchoolC+
Middle · Grades 6–8 · 2.3 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 2.5 mi

District: Riverhead Central School District

Neighborhood · ZIP 11701These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.26,590
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,033 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,679
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,592
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

51 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 89% of homes in Suffolk County
  • Costs more per square foot than 87% of homes in Flanders
  • Smaller than 92% of homes in Suffolk County
  • Has a bigger lot than 96% of homes in Amityville 11701
  • Newer than 90% of homes in Amityville 11701

What homes are worth in Amityville 11701

Each bar is how many homes fall in that price range. The marker is this home.

This home
$408K$1.3M

This home is worth more than 14% of homes in Amityville 11701.

How it measures up in Amityville 11701

The dot is this home. The mark in the middle is the typical home in Amityville 11701.

Estimated value$504,073
CheaperTypical $619,181Pricier

Pricier than 14% of homes nearby

Price per ft²$532
CheaperTypical $397Pricier

Pricier than 86% of homes nearby

Living area948 ft²
SmallerTypical 1,628 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.52 ac
SmallerTypical 0.2 acBigger

Bigger than 96% of homes nearby

Year built1991
OlderTypical 1954Newer

Newer than 90% of homes nearby

How 51 Riverside Ave ranks against every home in each area.
MeasureThis homeFlandersAmityville 11701Suffolk County
Estimated valuepricier than$504,07354% of homes14% of homes11% of homes
Price per ft²pricier than$53287% of homes86% of homes76% of homes
Living areabigger than948 ft²24% of homes12% of homes8% of homes
Lot sizebigger than0.52 ac78% of homes96% of homes77% of homes
Year builtnewer than199137% of homes90% of homes78% of homes

About 51 Riverside Ave

How much is 51 Riverside Ave, Amityville, NY worth?

The TopHap Estimate for 51 Riverside Ave, Amityville, NY is $504,073 as of Sep 24, 2026. The likely range is $475,681 to $532,465. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Riverside Ave, Amityville, NY last sell?

51 Riverside Ave, Amityville, NY last sold on Apr 10, 2018 for $75,000, according to the county's recorded deed.

How big is 51 Riverside Ave, Amityville, NY?

51 Riverside Ave, Amityville, NY has 3 bedrooms, 2 bathrooms, 948 square feet of living space and a 0.52-acre lot.

When was 51 Riverside Ave, Amityville, NY built?

51 Riverside Ave, Amityville, NY was built in 1991, making it 35 years old. It is a mobile home home. The building has 1 story.

What schools serve 51 Riverside Ave, Amityville, NY?

51 Riverside Ave, Amityville, NY is assigned to Phillips Avenue School (elementary), rated F; Riverhead Middle School (middle), rated C+; 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 51 Riverside Ave, Amityville, NY compare to other homes in Amityville 11701?

Among the 6,238 homes in Amityville 11701, it is worth more than 14% of them ($504,073 against a typical $619,181), its price per square foot is higher than 86% of them ($532 against a typical $397), it is bigger than 12% of them (948 ft² against a typical 1,628 ft²), its lot is bigger than 96% of them (0.52 ac against a typical 0.2 ac) and it is newer than 90% of them (1991 against a typical 1954). Measured against all of Suffolk County, it is worth more than 11% 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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