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Single Family ResidenceResidential
$907,361$449 / 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 91How 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

78 RIVER HEIGHTS DR

SMITHTOWN, NY 11787
4
Beds
2.5
Baths
2,019 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$907K
$828K low$987K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,629 (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.$6,350 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,850
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$793,750

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.Ranch
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.50
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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
ViewThe type of view from the property, or another feature of the site that affects value.Suburban
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 140 ft²

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

E
Accompsett Elementary SchoolB-
Elementary · Grades KG–5 · 1.6 mi
M
Accompsett Middle SchoolC+
Middle · Grades 6–8 · 1.7 mi
H
Smithtown High School WestA
High · Grades 9–12 · 1.9 mi

District: Smithtown Central School District

Neighborhood · ZIP 11787These 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.44
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 100.69

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.3.2%
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.34,997
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,227 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,428
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,182
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

78 River Heights 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 75% of homes in Smithtown 11787
  • Bigger than 67% of homes in Suffolk County
  • Has a bigger lot than 77% of homes in Suffolk County

What homes are worth in Smithtown 11787

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

This home
$526K$1.5M

This home is worth more than 75% of homes in Smithtown 11787.

How it measures up in Smithtown 11787

The dot is this home. The mark in the middle is the typical home in Smithtown 11787.

Estimated value$907,361
CheaperTypical $794,948Pricier

Pricier than 75% of homes nearby

Price per ft²$449
CheaperTypical $442Pricier

Pricier than 52% of homes nearby

Living area2,019 ft²
SmallerTypical 1,900 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.5 ac
SmallerTypical 0.38 acBigger

Bigger than 70% of homes nearby

Year built1965
OlderTypical 1965Newer

Newer than 52% of homes nearby

How 78 River Heights Dr ranks against every home in each area.
MeasureThis homeSmithtownSmithtown 11787Suffolk County
Estimated valuepricier than$907,36170% of homes75% of homes75% of homes
Price per ft²pricier than$44955% of homes52% of homes61% of homes
Living areabigger than2,019 ft²52% of homes59% of homes67% of homes
Lot sizebigger than0.5 ac62% of homes70% of homes77% of homes
Year builtnewer than196552% of homes52% of homes42% of homes

About 78 River Heights Dr

How much is 78 River Heights Dr, Smithtown, NY worth?

The TopHap Estimate for 78 River Heights Dr, Smithtown, NY is $907,361 as of Sep 24, 2026. The likely range is $827,813 to $986,910. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 78 River Heights Dr, Smithtown, NY last sell?

78 River Heights Dr, Smithtown, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 78 River Heights Dr, Smithtown, NY?

78 River Heights Dr, Smithtown, NY has 4 bedrooms, 2.5 bathrooms, 2,019 square feet of living space and a 0.50-acre lot.

When was 78 River Heights Dr, Smithtown, NY built?

78 River Heights Dr, Smithtown, NY was built in 1965, making it 61 years old. It is a ranch home. The building has 1 story.

What schools serve 78 River Heights Dr, Smithtown, NY?

78 River Heights Dr, Smithtown, NY is assigned to Accompsett Elementary School (elementary), rated B-; Accompsett Middle School (middle), rated C+; Smithtown High School West (high), rated A. All sit in Smithtown Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 78 River Heights Dr, Smithtown, NY compare to other homes in Smithtown 11787?

Among the 11,476 homes in Smithtown 11787, it is worth more than 75% of them ($907,361 against a typical $794,948), its price per square foot is higher than 52% of them ($449 against a typical $442), it is bigger than 59% of them (2,019 ft² against a typical 1,900 ft²), its lot is bigger than 70% of them (0.5 ac against a typical 0.38 ac) and it is newer than 52% of them (1965 against a typical 1965). Measured against all of Suffolk County, it is worth more than 75% 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 78 River Heights Dr, Smithtown, NY?

The 2024 property tax bill for 78 River Heights Dr, Smithtown, NY was $14,629. The county assessed it at $6,350.

More homes on River Heights Dr

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