Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$526,978$488 / 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 90How 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 $298,000 on Nov 19, 2019

9 KNOLL RD

ROCKY POINT, NY 11778
4
Beds
1
Baths
1,080 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$527K
$472K low$582K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$298,000 · Nov 19, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,272 (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.$2,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$416,667

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.Cape Cod
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.23
HeatingThe type of heating system in the home.Radiant
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.Waterfront

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.

M
Rocky Point Middle SchoolD-
Middle · Grades 6–8 · 1.1 mi
H
Rocky Point High SchoolA
High · Grades 9–12 · 1.1 mi
E
Frank J. Carasiti Elementary School
Elementary · Grades KG–2 · 1.3 mi

District: Rocky Point 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%

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

9 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 less than 87% of homes in Suffolk County
  • Costs more per square foot than 81% of homes in Rocky Point 11778
  • Smaller than 85% of homes in Suffolk County
  • Older than 68% of homes in Suffolk County

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 48% 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$526,978
CheaperTypical $533,440Pricier

Pricier than 48% of homes nearby

Price per ft²$488
CheaperTypical $376Pricier

Pricier than 81% of homes nearby

Living area1,080 ft²
SmallerTypical 1,397 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.23 ac
SmallerTypical 0.23 acBigger

Bigger than 57% of homes nearby

Year built1960
OlderTypical 1962Newer

Newer than 49% of homes nearby

How 9 Knoll Rd ranks against every home in each area.
MeasureThis homeRocky Point 11778Suffolk County
Estimated valuepricier than$526,97848% of homes13% of homes
Price per ft²pricier than$48881% of homes69% of homes
Living areabigger than1,080 ft²31% of homes15% of homes
Lot sizebigger than0.23 ac57% of homes38% of homes
Year builtnewer than196049% of homes32% of homes

About 9 Knoll Rd

How much is 9 Knoll Rd, Rocky Point, NY worth?

The TopHap Estimate for 9 Knoll Rd, Rocky Point, NY is $526,978 as of Jul 14, 2026. The likely range is $471,648 to $582,308. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9 Knoll Rd, Rocky Point, NY last sell?

9 Knoll Rd, Rocky Point, NY last sold on Nov 19, 2019 for $298,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9 Knoll Rd, Rocky Point, NY?

9 Knoll Rd, Rocky Point, NY has 4 bedrooms, 1 bathrooms, 1,080 square feet of living space and a 0.23-acre lot.

When was 9 Knoll Rd, Rocky Point, NY built?

9 Knoll Rd, Rocky Point, NY was built in 1960, making it 66 years old. It is a cape cod home. The building has 1 story.

What schools serve 9 Knoll Rd, Rocky Point, NY?

9 Knoll Rd, Rocky Point, NY is assigned to Rocky Point Middle School (middle), rated D-; Rocky Point High School (high), rated A; Frank J. Carasiti Elementary School (elementary). All sit in Rocky Point Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9 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 48% of them ($526,978 against a typical $533,440), its price per square foot is higher than 81% of them ($488 against a typical $376), it is bigger than 31% of them (1,080 ft² against a typical 1,397 ft²), its lot is bigger than 57% of them (0.23 ac against a typical 0.23 ac) and it is newer than 49% of them (1960 against a typical 1962). Measured against all of Suffolk County, it is worth more than 13% 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 9 Knoll Rd, Rocky Point, NY?

The 2024 property tax bill for 9 Knoll Rd, Rocky Point, NY was $9,272. The county assessed it at $2,000.

More homes on Knoll Rd

Closest homes

More homes in Rocky Point 11778

Assigned schools

Explore the area

See this home in context

Open 9 Knoll Rd 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