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Single Family ResidenceResidential
$763,212$385 / 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

139 RIVERSIDE AVE

AMITYVILLE, NY 11701
1.5
Baths
1,983 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.
4,275 ft²
Lot SizeThe size of the land the home sits on, from county records.
1923
Year BuiltThe year the home was originally built, according to county records.

Valuation

$763K
$724K low$802K 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.$763,212
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$610,570

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,118 (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.$5,440 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$470
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,970
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$281,865

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.110 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.94%
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.1 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
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.10
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.

H
Amityville Memorial High SchoolD+
High · Grades 9–12 · 0.4 mi
M
Edmund W. Miles Middle SchoolC-
Middle · Grades 6–8 · 1.8 mi
E
Northwest Elementary School
Elementary · Grades KG–2 · 2.0 mi

District: Amityville Union Free 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%

Ownership

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

139 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 more than 83% of homes in Amityville 11701
  • Bigger than 70% of homes in Amityville 11701
  • Has a smaller lot than 93% of homes in Amityville 11701
  • Older than 98% of homes in Suffolk County

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
$418K$1.3M

This home is worth more than 83% 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$763,212
CheaperTypical $627,956Pricier

Pricier than 83% of homes nearby

Price per ft²$385
CheaperTypical $400Pricier

Pricier than 45% of homes nearby

Living area1,983 ft²
SmallerTypical 1,643 ft²Bigger

Bigger than 70% of homes nearby

Lot size4,275 ft²
SmallerTypical 0.2 acBigger

Bigger than 7% of homes nearby

Year built1923
OlderTypical 1954Newer

Newer than 8% of homes nearby

How 139 Riverside Ave ranks against every home in each area.
MeasureThis homeAmityville 11701Suffolk County
Estimated valuepricier than$763,21283% of homes62% of homes
Price per ft²pricier than$38545% of homes40% of homes
Living areabigger than1,983 ft²70% of homes66% of homes
Lot sizebigger than4,275 ft²7% of homes8% of homes
Year builtnewer than19238% of homes2% of homes

About 139 Riverside Ave

How much is 139 Riverside Ave, Amityville, NY worth?

The TopHap Estimate for 139 Riverside Ave, Amityville, NY is $763,212 as of Jul 14, 2026. The likely range is $724,220 to $802,204. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 Riverside Ave, Amityville, NY last sell?

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

How big is 139 Riverside Ave, Amityville, NY?

139 Riverside Ave, Amityville, NY has 1.5 bathrooms, 1,983 square feet of living space and a 0.10-acre lot.

When was 139 Riverside Ave, Amityville, NY built?

139 Riverside Ave, Amityville, NY was built in 1923, making it 103 years old.

What schools serve 139 Riverside Ave, Amityville, NY?

139 Riverside Ave, Amityville, NY is assigned to Amityville Memorial High School (high), rated D+; Edmund W. Miles Middle School (middle), rated C-; Northwest Elementary School (elementary). All sit in Amityville Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 139 Riverside Ave, Amityville, NY compare to other homes in Amityville 11701?

Among the 6,225 homes in Amityville 11701, it is worth more than 83% of them ($763,212 against a typical $627,956), its price per square foot is higher than 45% of them ($385 against a typical $400), it is bigger than 70% of them (1,983 ft² against a typical 1,643 ft²), its lot is bigger than 7% of them (4,275 ft² against a typical 0.2 ac) and it is newer than 8% of them (1923 against a typical 1954). Measured against all of Suffolk County, it is worth more than 62% 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 139 Riverside Ave, Amityville, NY?

The 2024 property tax bill for 139 Riverside Ave, Amityville, NY was $13,118. The county assessed it at $5,440.

Closest homes

More homes in Amityville 11701

Assigned schools

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