Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$848,197
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 $435,036 on Oct 7, 2002

27 KNOLLTOP DR

NESCONSET, NY 11767
0
Baths
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$848K
$796K low$900K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$435,036 · Oct 7, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,765 (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.$6,075 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$270
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,805
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$759,375

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.0.27
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Tackan Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
M
Great Hollow Middle SchoolA+
Middle · Grades 6–8 · 1.1 mi
H
Smithtown High School EastA-
High · Grades 9–12 · 1.9 mi

District: Smithtown Central School District

Neighborhood · ZIP 11767These 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.67
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 100.71

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.14,528
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,469 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$130,103
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$161,310
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

27 Knolltop 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 79% of homes in Nesconset 11767

What homes are worth in Nesconset 11767

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

This home
$441K$1.2M

This home is worth more than 79% of homes in Nesconset 11767.

How it measures up in Nesconset 11767

The dot is this home. The mark in the middle is the typical home in Nesconset 11767.

Estimated value$848,197
CheaperTypical $730,703Pricier

Pricier than 79% of homes nearby

Lot size0.27 ac
SmallerTypical 0.31 acBigger

Bigger than 41% of homes nearby

How 27 Knolltop Dr ranks against every home in each area.
MeasureThis homeNesconset 11767Suffolk County
Estimated valuepricier than$848,19779% of homes70% of homes
Lot sizebigger than0.27 ac41% of homes47% of homes

About 27 Knolltop Dr

How much is 27 Knolltop Dr, Nesconset, NY worth?

The TopHap Estimate for 27 Knolltop Dr, Nesconset, NY is $848,197 as of Sep 24, 2026. The likely range is $796,312 to $900,082. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 27 Knolltop Dr, Nesconset, NY last sell?

27 Knolltop Dr, Nesconset, NY last sold on Oct 7, 2002 for $435,036, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

What schools serve 27 Knolltop Dr, Nesconset, NY?

27 Knolltop Dr, Nesconset, NY is assigned to Tackan Elementary School (elementary), rated A-; Great Hollow Middle School (middle), rated A+; Smithtown High School East (high), rated A-. All sit in Smithtown Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 27 Knolltop Dr, Nesconset, NY compare to other homes in Nesconset 11767?

Among the 4,592 homes in Nesconset 11767, it is worth more than 79% of them ($848,197 against a typical $730,703) and its lot is bigger than 41% of them (0.27 ac against a typical 0.31 ac). Measured against all of Suffolk County, it is worth more than 70% 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 27 Knolltop Dr, Nesconset, NY?

The 2024 property tax bill for 27 Knolltop Dr, Nesconset, NY was $15,765. The county assessed it at $6,075.

More homes on Knolltop Dr

Closest homes

More homes in Nesconset 11767

Assigned schools

Explore the area

See this home in context

Open 27 Knolltop 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