Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$932,878$760 / 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 Aug 30, 2026
Last sold for $660,000 on May 4, 2021

3 RIVERDALE DR

HAMPTON BAYS, NY 11946
4
Beds
2
Baths
1,227 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$933K
$875K low$991K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$660,000 · May 4, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,274 (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.$467,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$202,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$265,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$742,540

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.0.30
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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.Patio · 528 ft²Porch · 528 ft²

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
Hampton Bays High SchoolB
High · Grades 9–12 · 0.5 mi
E
Hampton Bays Elementary SchoolC
Elementary · Grades KG–4 · 0.7 mi
M
Hampton Bays Middle SchoolC-
Middle · Grades 5–8 · 0.9 mi

District: Hampton Bays Union Free School District

Neighborhood · ZIP 11946These 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.160
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.76%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
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.12,628
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.891 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,964
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$170,736
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

3 Riverdale Dr 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 76% of homes in Suffolk County
  • Costs more per square foot than 90% of homes in Suffolk County
  • Smaller than 76% of homes in Suffolk County
  • Has a smaller lot than 69% of homes in Hampton Bays 11946
  • Newer than 87% of homes in Suffolk County

What homes are worth in Hampton Bays 11946

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

This home
$553K$3.2M

This home is worth more than 52% of homes in Hampton Bays 11946.

How it measures up in Hampton Bays 11946

The dot is this home. The mark in the middle is the typical home in Hampton Bays 11946.

Estimated value$932,878
CheaperTypical $915,477Pricier

Pricier than 52% of homes nearby

Price per ft²$760
CheaperTypical $647Pricier

Pricier than 76% of homes nearby

Living area1,227 ft²
SmallerTypical 1,468 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.3 ac
SmallerTypical 0.39 acBigger

Bigger than 31% of homes nearby

Year built1999
OlderTypical 1994Newer

Newer than 69% of homes nearby

How 3 Riverdale Dr ranks against every home in each area.
MeasureThis homeHampton Bays 11946Suffolk County
Estimated valuepricier than$932,87852% of homes76% of homes
Price per ft²pricier than$76076% of homes90% of homes
Living areabigger than1,227 ft²33% of homes24% of homes
Lot sizebigger than0.3 ac31% of homes53% of homes
Year builtnewer than199969% of homes87% of homes

About 3 Riverdale Dr

How much is 3 Riverdale Dr, Hampton Bays, NY worth?

The TopHap Estimate for 3 Riverdale Dr, Hampton Bays, NY is $932,878 as of Aug 30, 2026. The likely range is $874,760 to $990,996. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Riverdale Dr, Hampton Bays, NY last sell?

3 Riverdale Dr, Hampton Bays, NY last sold on May 4, 2021 for $660,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3 Riverdale Dr, Hampton Bays, NY?

3 Riverdale Dr, Hampton Bays, NY has 4 bedrooms, 2 bathrooms, 1,227 square feet of living space and a 0.30-acre lot.

When was 3 Riverdale Dr, Hampton Bays, NY built?

3 Riverdale Dr, Hampton Bays, NY was built in 1999, making it 27 years old. It is a mobile home home. The building has 1 story.

What schools serve 3 Riverdale Dr, Hampton Bays, NY?

3 Riverdale Dr, Hampton Bays, NY is assigned to Hampton Bays High School (high), rated B; Hampton Bays Elementary School (elementary), rated C; Hampton Bays Middle School (middle), rated C-. All sit in Hampton Bays Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3 Riverdale Dr, Hampton Bays, NY compare to other homes in Hampton Bays 11946?

Among the 6,350 homes in Hampton Bays 11946, it is worth more than 52% of them ($932,878 against a typical $915,477), its price per square foot is higher than 76% of them ($760 against a typical $647), it is bigger than 33% of them (1,227 ft² against a typical 1,468 ft²), its lot is bigger than 31% of them (0.3 ac against a typical 0.39 ac) and it is newer than 69% of them (1999 against a typical 1994). Measured against all of Suffolk County, it is worth more than 76% 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 3 Riverdale Dr, Hampton Bays, NY?

The 2024 property tax bill for 3 Riverdale Dr, Hampton Bays, NY was $7,274. The county assessed it at $467,800.

More homes on Riverdale Dr

Closest homes

More homes in Hampton Bays 11946

Assigned schools

Explore the area

See this home in context

Open 3 Riverdale Dr 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