Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$712,661$317 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $520,000 on Jun 15, 2022

11 KEMPF ST

NESCONSET, NY 11767
4
Beds
2
Baths
2,250 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$713K
$689K low$737K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · Jun 15, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,705 (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.$4,975 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$280
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,695
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$621,875

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.32 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.Cape Cod
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.29
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, Attached
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.Suburban

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.

E
Wenonah Elementary SchoolB
Elementary · Grades KG–5 · 0.4 mi
H
Sachem High School NorthB
High · Grades 9–12 · 1.6 mi
M
Samoset Middle SchoolA
Middle · Grades 6–8 · 1.8 mi

District: Sachem 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

11 Kempf St 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 Lake Ronkonkoma
  • Costs less per square foot than 89% of homes in Nesconset 11767
  • Bigger than 81% of homes in Lake Ronkonkoma
  • Has a bigger lot than 72% of homes in Lake Ronkonkoma
  • Newer than 88% of homes in Lake Ronkonkoma

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 44% 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$712,661
CheaperTypical $730,703Pricier

Pricier than 44% of homes nearby

Price per ft²$317
CheaperTypical $387Pricier

Pricier than 11% of homes nearby

Living area2,250 ft²
SmallerTypical 2,016 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.29 ac
SmallerTypical 0.31 acBigger

Bigger than 45% of homes nearby

Year built1985
OlderTypical 1971Newer

Newer than 74% of homes nearby

How 11 Kempf St ranks against every home in each area.
MeasureThis homeLake RonkonkomaNesconset 11767Suffolk County
Estimated valuepricier than$712,66179% of homes44% of homes53% of homes
Price per ft²pricier than$31720% of homes11% of homes15% of homes
Living areabigger than2,250 ft²81% of homes67% of homes77% of homes
Lot sizebigger than0.29 ac72% of homes45% of homes51% of homes
Year builtnewer than198588% of homes74% of homes68% of homes

About 11 Kempf St

How much is 11 Kempf St, Nesconset, NY worth?

The TopHap Estimate for 11 Kempf St, Nesconset, NY is $712,661 as of Oct 21, 2026. The likely range is $688,606 to $736,716. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11 Kempf St, Nesconset, NY last sell?

11 Kempf St, Nesconset, NY last sold on Jun 15, 2022 for $520,000, according to the county's recorded deed.

How big is 11 Kempf St, Nesconset, NY?

11 Kempf St, Nesconset, NY has 4 bedrooms, 2 bathrooms, 2,250 square feet of living space and a 0.29-acre lot.

When was 11 Kempf St, Nesconset, NY built?

11 Kempf St, Nesconset, NY was built in 1985, making it 41 years old. It is a cape cod home. The building has 1 story.

What schools serve 11 Kempf St, Nesconset, NY?

11 Kempf St, Nesconset, NY is assigned to Wenonah Elementary School (elementary), rated B; Sachem High School North (high), rated B; Samoset Middle School (middle), rated A. All sit in Sachem Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Kempf St, Nesconset, NY compare to other homes in Nesconset 11767?

Among the 4,592 homes in Nesconset 11767, it is worth more than 44% of them ($712,661 against a typical $730,703), its price per square foot is higher than 11% of them ($317 against a typical $387), it is bigger than 67% of them (2,250 ft² against a typical 2,016 ft²), its lot is bigger than 45% of them (0.29 ac against a typical 0.31 ac) and it is newer than 74% of them (1985 against a typical 1971). Measured against all of Suffolk County, it is worth more than 53% 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 11 Kempf St, Nesconset, NY?

The 2024 property tax bill for 11 Kempf St, Nesconset, NY was $11,705. The county assessed it at $4,975.

More homes on Kempf St

Closest homes

More homes in Nesconset 11767

Assigned schools

Explore the area

See this home in context

Open 11 Kempf St 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