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Single Family ResidenceResidential
$981,852$250 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $835,000 on Mar 10, 2023

311 ROSE LN

SMITHTOWN, NY 11787
4
Beds
2
Baths
3,932 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.
1948
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$982K
$914K 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.$835,000 · Mar 10, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,650 (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.$7,540 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$7,340
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$942,500

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.Colonial
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
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 720 ft²

Transaction History(1)

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
Forest Brook Elementary SchoolB
Elementary · Grades PK–5 · 0.3 mi
M
Hauppauge Middle SchoolC
Middle · Grades 6–8 · 0.7 mi
H
Hauppauge High SchoolA
High · Grades 9–12 · 0.8 mi

District: Hauppauge Union Free 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

311 Rose Ln 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 90% of homes in Hauppauge
  • Among the lowest price per square foot in Hauppauge
  • Among the largest homes in Hauppauge
  • Has a bigger lot than 82% of homes in Hauppauge
  • Older than 95% of homes in Hauppauge

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
$527K$1.6M

This home is worth more than 84% 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$981,852
CheaperTypical $792,950Pricier

Pricier than 84% of homes nearby

Price per ft²$250
CheaperTypical $446Pricier

Cheaper than almost all homes nearby

Living area3,932 ft²
SmallerTypical 1,907 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.5 ac
SmallerTypical 0.38 acBigger

Bigger than 70% of homes nearby

Year built1948
OlderTypical 1965Newer

Newer than 6% of homes nearby

How 311 Rose Ln ranks against every home in each area.
MeasureThis homeHauppaugeSmithtown 11787Suffolk County
Estimated valuepricier than$981,85290% of homes84% of homes78% of homes
Price per ft²pricier than$250almost no homesalmost no homes2% of homes
Living areabigger than3,932 ft²almost all homes98% of homes97% of homes
Lot sizebigger than0.5 ac82% of homes70% of homes76% of homes
Year builtnewer than19485% of homes6% of homes11% of homes

About 311 Rose Ln

How much is 311 Rose Ln, Smithtown, NY worth?

The TopHap Estimate for 311 Rose Ln, Smithtown, NY is $981,852 as of Aug 30, 2026. The likely range is $913,907 to $1,049,797. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 311 Rose Ln, Smithtown, NY last sell?

311 Rose Ln, Smithtown, NY last sold on Mar 10, 2023 for $835,000, according to the county's recorded deed.

How big is 311 Rose Ln, Smithtown, NY?

311 Rose Ln, Smithtown, NY has 4 bedrooms, 2 bathrooms, 3,932 square feet of living space and a 0.50-acre lot.

When was 311 Rose Ln, Smithtown, NY built?

311 Rose Ln, Smithtown, NY was built in 1948, making it 78 years old. It is a colonial home. The building has 2 stories.

What schools serve 311 Rose Ln, Smithtown, NY?

311 Rose Ln, Smithtown, NY is assigned to Forest Brook Elementary School (elementary), rated B; Hauppauge Middle School (middle), rated C; Hauppauge High School (high), rated A. All sit in Hauppauge Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 311 Rose Ln, Smithtown, NY compare to other homes in Smithtown 11787?

Among the 11,479 homes in Smithtown 11787, it is worth more than 84% of them ($981,852 against a typical $792,950), its price per square foot is higher than almost none of them ($250 against a typical $446), it is bigger than 98% of them (3,932 ft² against a typical 1,907 ft²), its lot is bigger than 70% of them (0.5 ac against a typical 0.38 ac) and it is newer than 6% of them (1948 against a typical 1965). Measured against all of Suffolk County, it is worth more than 78% 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 311 Rose Ln, Smithtown, NY?

The 2024 property tax bill for 311 Rose Ln, Smithtown, NY was $14,650. The county assessed it at $7,540.

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