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Single Family ResidenceResidential
$1,096,501$937 / 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 85How 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
Last sold for $442,500 on Sep 5, 2013

84 KNOLL RD

ROCKY POINT, NY 11778
3
Beds
2
Baths
1,170 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.
0.26 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.

Valuation

$1.1M
$928K low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$442,500 · Sep 5, 2013

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.$465,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$368,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$97,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$739,206

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.8 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.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.0.26
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 714 ft²Porch · 205 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.

M
Southampton Intermediate SchoolC-
Middle · Grades 5–8 · 3.3 mi
H
Southampton High SchoolB-
High · Grades 9–12 · 3.4 mi
E
Southampton Elementary SchoolB-
Elementary · Grades PK–4 · 3.4 mi

District: Southampton Union Free School District

Neighborhood · ZIP 11778These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.12,882
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,613 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,349
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,180
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

84 Knoll Rd 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 97% of homes in Rocky Point 11778
  • Among the highest price per square foot in Rocky Point 11778
  • Smaller than 82% of homes in North Sea
  • Has a smaller lot than 82% of homes in North Sea
  • Among the oldest homes in North Sea

What homes are worth in Rocky Point 11778

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

This home
$356K$1.3M

This home is worth more than 97% of homes in Rocky Point 11778.

How it measures up in Rocky Point 11778

The dot is this home. The mark in the middle is the typical home in Rocky Point 11778.

Estimated value$1,096,501
CheaperTypical $533,440Pricier

Pricier than 97% of homes nearby

Price per ft²$937
CheaperTypical $376Pricier

Pricier than almost all homes nearby

Living area1,170 ft²
SmallerTypical 1,397 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.26 ac
SmallerTypical 0.23 acBigger

Bigger than 60% of homes nearby

Year built1972
OlderTypical 1962Newer

Newer than 72% of homes nearby

How 84 Knoll Rd ranks against every home in each area.
MeasureThis homeNorth SeaRocky Point 11778Suffolk County
Estimated valuepricier than$1,096,50113% of homes97% of homes83% of homes
Price per ft²pricier than$93745% of homesalmost all homes94% of homes
Living areabigger than1,170 ft²18% of homes37% of homes21% of homes
Lot sizebigger than0.26 ac18% of homes60% of homes48% of homes
Year builtnewer than1972almost no homes72% of homes55% of homes

About 84 Knoll Rd

How much is 84 Knoll Rd, Rocky Point, NY worth?

The TopHap Estimate for 84 Knoll Rd, Rocky Point, NY is $1,096,501 as of Jul 14, 2026. The likely range is $927,779 to $1,265,223. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 84 Knoll Rd, Rocky Point, NY last sell?

84 Knoll Rd, Rocky Point, NY last sold on Sep 5, 2013 for $442,500, according to the county's recorded deed.

How big is 84 Knoll Rd, Rocky Point, NY?

84 Knoll Rd, Rocky Point, NY has 3 bedrooms, 2 bathrooms, 1,170 square feet of living space and a 0.26-acre lot.

When was 84 Knoll Rd, Rocky Point, NY built?

84 Knoll Rd, Rocky Point, NY was built in 1972, making it 54 years old. It is a mobile home home. The building has 2 stories.

What schools serve 84 Knoll Rd, Rocky Point, NY?

84 Knoll Rd, Rocky Point, NY is assigned to Southampton Intermediate School (middle), rated C-; Southampton High School (high), rated B-; Southampton Elementary School (elementary), rated B-. All sit in Southampton Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 84 Knoll Rd, Rocky Point, NY compare to other homes in Rocky Point 11778?

Among the 4,920 homes in Rocky Point 11778, it is worth more than 97% of them ($1,096,501 against a typical $533,440), its price per square foot is higher than almost all of them ($937 against a typical $376), it is bigger than 37% of them (1,170 ft² against a typical 1,397 ft²), its lot is bigger than 60% of them (0.26 ac against a typical 0.23 ac) and it is newer than 72% of them (1972 against a typical 1962). Measured against all of Suffolk County, it is worth more than 83% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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More homes in Rocky Point 11778

Assigned schools

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