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Single Family ResidenceResidential
$842,337$383 / 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 Jul 14, 2026
Last sold for $182,000 on Jun 19, 1997

18 RIVIERA DR

SMITHTOWN, NY 11787
4
Beds
2
Baths
2,202 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$842K
$768K low$916K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$182,000 · Jun 19, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,260 (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.$6,464 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$325
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,139
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$808,000

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.Split Level
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.25
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 96 ft²

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

M
Accompsett Middle SchoolC+
Middle · Grades 6–8 · 1.3 mi
H
Smithtown High School WestA
High · Grades 9–12 · 1.5 mi
E
Smithtown Elementary SchoolB
Elementary · Grades KG–5 · 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

18 Riviera 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 71% of homes in Suffolk County
  • Costs less per square foot than 81% of homes in Smithtown 11787
  • Bigger than 75% of homes in Suffolk County
  • Has a smaller lot than 78% of homes in Smithtown
  • Older than 76% of homes in Smithtown

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
$528K$1.6M

This home is worth more than 61% 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$842,337
CheaperTypical $797,995Pricier

Pricier than 61% of homes nearby

Price per ft²$383
CheaperTypical $446Pricier

Pricier than 19% of homes nearby

Living area2,202 ft²
SmallerTypical 1,907 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.25 ac
SmallerTypical 0.38 acBigger

Bigger than 30% of homes nearby

Year built1959
OlderTypical 1965Newer

Newer than 25% of homes nearby

How 18 Riviera Dr ranks against every home in each area.
MeasureThis homeSmithtownSmithtown 11787Suffolk County
Estimated valuepricier than$842,33757% of homes61% of homes71% of homes
Price per ft²pricier than$38320% of homes19% of homes38% of homes
Living areabigger than2,202 ft²61% of homes68% of homes75% of homes
Lot sizebigger than0.25 ac22% of homes30% of homes46% of homes
Year builtnewer than195924% of homes25% of homes29% of homes

About 18 Riviera Dr

How much is 18 Riviera Dr, Smithtown, NY worth?

The TopHap Estimate for 18 Riviera Dr, Smithtown, NY is $842,337 as of Jul 14, 2026. The likely range is $768,214 to $916,459. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Riviera Dr, Smithtown, NY last sell?

18 Riviera Dr, Smithtown, NY last sold on Jun 19, 1997 for $182,000, according to the county's recorded deed.

How big is 18 Riviera Dr, Smithtown, NY?

18 Riviera Dr, Smithtown, NY has 4 bedrooms, 2 bathrooms, 2,202 square feet of living space and a 0.25-acre lot.

When was 18 Riviera Dr, Smithtown, NY built?

18 Riviera Dr, Smithtown, NY was built in 1959, making it 67 years old. It is a split level home. The building has 1 story.

What schools serve 18 Riviera Dr, Smithtown, NY?

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

How does 18 Riviera Dr, Smithtown, NY compare to other homes in Smithtown 11787?

Among the 11,478 homes in Smithtown 11787, it is worth more than 61% of them ($842,337 against a typical $797,995), its price per square foot is higher than 19% of them ($383 against a typical $446), it is bigger than 68% of them (2,202 ft² against a typical 1,907 ft²), its lot is bigger than 30% of them (0.25 ac against a typical 0.38 ac) and it is newer than 25% of them (1959 against a typical 1965). Measured against all of Suffolk County, it is worth more than 71% 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 18 Riviera Dr, Smithtown, NY?

The 2024 property tax bill for 18 Riviera Dr, Smithtown, NY was $15,260. The county assessed it at $6,464.

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