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Single Family ResidenceResidential
$942,315$372 / 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 92How 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 $389,300 on Nov 8, 2002

31 GRASSY KNL

WADING RIVER, NY 11792
4
Beds
2.5
Baths
2,530 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$942K
$863K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$389,300 · Nov 8, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,308 (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.$73,899 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$61,499
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$905,625

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.0.55
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 350 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Shoreham-Wading River High SchoolA+
High · Grades 9–12 · 1.1 mi
E
Miller Avenue School
Elementary · Grades KG–2 · 2.5 mi
M
Albert G. Prodell Middle SchoolB
Middle · Grades 6–8 · 2.8 mi

District: Shoreham-Wading River Central School District

Neighborhood · ZIP 11792These 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.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.88%
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.2.7%
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.8,607
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.677 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$143,954
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,367
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%

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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

31 Grassy Knl 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 77% of homes in Suffolk County
  • Costs less per square foot than 66% of homes in Suffolk County
  • Bigger than 85% of homes in Suffolk County
  • Has a bigger lot than 80% of homes in Suffolk County
  • Newer than 90% of homes in Suffolk County

What homes are worth in Wading River 11792

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

This home
$410K$1.7M

This home is worth more than 76% of homes in Wading River 11792.

How it measures up in Wading River 11792

The dot is this home. The mark in the middle is the typical home in Wading River 11792.

Estimated value$942,315
CheaperTypical $803,672Pricier

Pricier than 76% of homes nearby

Price per ft²$372
CheaperTypical $393Pricier

Pricier than 39% of homes nearby

Living area2,530 ft²
SmallerTypical 2,063 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.55 ac
SmallerTypical 0.6 acBigger

Bigger than 46% of homes nearby

Year built2002
OlderTypical 1978Newer

Newer than 88% of homes nearby

How 31 Grassy Knl ranks against every home in each area.
MeasureThis homeWading River 11792Suffolk County
Estimated valuepricier than$942,31576% of homes77% of homes
Price per ft²pricier than$37239% of homes34% of homes
Living areabigger than2,530 ft²73% of homes85% of homes
Lot sizebigger than0.55 ac46% of homes80% of homes
Year builtnewer than200288% of homes90% of homes

About 31 Grassy Knl

How much is 31 Grassy Knl, Wading River, NY worth?

The TopHap Estimate for 31 Grassy Knl, Wading River, NY is $942,315 as of Jul 14, 2026. The likely range is $863,412 to $1,021,218. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Grassy Knl, Wading River, NY last sell?

31 Grassy Knl, Wading River, NY last sold on Nov 8, 2002 for $389,300, according to the county's recorded deed.

How big is 31 Grassy Knl, Wading River, NY?

31 Grassy Knl, Wading River, NY has 4 bedrooms, 2.5 bathrooms, 2,530 square feet of living space and a 0.55-acre lot.

When was 31 Grassy Knl, Wading River, NY built?

31 Grassy Knl, Wading River, NY was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 31 Grassy Knl, Wading River, NY?

31 Grassy Knl, Wading River, NY is assigned to Shoreham-Wading River High School (high), rated A+; Miller Avenue School (elementary); Albert G. Prodell Middle School (middle), rated B. All sit in Shoreham-Wading River Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Grassy Knl, Wading River, NY compare to other homes in Wading River 11792?

Among the 3,276 homes in Wading River 11792, it is worth more than 76% of them ($942,315 against a typical $803,672), its price per square foot is higher than 39% of them ($372 against a typical $393), it is bigger than 73% of them (2,530 ft² against a typical 2,063 ft²), its lot is bigger than 46% of them (0.55 ac against a typical 0.6 ac) and it is newer than 88% of them (2002 against a typical 1978). Measured against all of Suffolk County, it is worth more than 77% 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 31 Grassy Knl, Wading River, NY?

The 2024 property tax bill for 31 Grassy Knl, Wading River, NY was $18,308. The county assessed it at $73,899.

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