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Single Family ResidenceResidential
$771,844$353 / 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 $169,500 on Aug 4, 1994

171 ALEXANDER AVE

NESCONSET, NY 11767
4
Beds
1.5
Baths
2,184 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$772K
$720K low$824K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$169,500 · Aug 4, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,242 (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.$5,045 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,745
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$630,625

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.Raised Ranch
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.24
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

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

E
Mills Pond Elementary SchoolA-
Elementary · Grades KG–5 · 1.3 mi
M
Great Hollow Middle SchoolB
Middle · Grades 6–8 · 1.8 mi
H
Smithtown High School EastA+
High · Grades 9–12 · 1.9 mi

District: Smithtown 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%

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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

171 Alexander Ave 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.

  • Costs less per square foot than 71% of homes in Nesconset 11767
  • Bigger than 75% of homes in Suffolk County
  • Has a smaller lot than 73% of homes in Nesconset 11767

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
$447K$1.2M

This home is worth more than 61% 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$771,844
CheaperTypical $734,924Pricier

Pricier than 61% of homes nearby

Price per ft²$353
CheaperTypical $389Pricier

Pricier than 29% of homes nearby

Living area2,184 ft²
SmallerTypical 2,012 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.24 ac
SmallerTypical 0.32 acBigger

Bigger than 27% of homes nearby

Year built1970
OlderTypical 1971Newer

Newer than 47% of homes nearby

How 171 Alexander Ave ranks against every home in each area.
MeasureThis homeNesconset 11767Suffolk County
Estimated valuepricier than$771,84461% of homes63% of homes
Price per ft²pricier than$35329% of homes29% of homes
Living areabigger than2,184 ft²63% of homes75% of homes
Lot sizebigger than0.24 ac27% of homes38% of homes
Year builtnewer than197047% of homes51% of homes

About 171 Alexander Ave

How much is 171 Alexander Ave, Nesconset, NY worth?

The TopHap Estimate for 171 Alexander Ave, Nesconset, NY is $771,844 as of Aug 30, 2026. The likely range is $719,561 to $824,127. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 171 Alexander Ave, Nesconset, NY last sell?

171 Alexander Ave, Nesconset, NY last sold on Aug 4, 1994 for $169,500, according to the county's recorded deed.

How big is 171 Alexander Ave, Nesconset, NY?

171 Alexander Ave, Nesconset, NY has 4 bedrooms, 1.5 bathrooms, 2,184 square feet of living space and a 0.24-acre lot.

When was 171 Alexander Ave, Nesconset, NY built?

171 Alexander Ave, Nesconset, NY was built in 1970, making it 56 years old. It is a raised ranch home. The building has 2 stories.

What schools serve 171 Alexander Ave, Nesconset, NY?

171 Alexander Ave, Nesconset, NY is assigned to Mills Pond Elementary School (elementary), rated A-; Great Hollow Middle School (middle), rated B; Smithtown High School East (high), rated A+. All sit in Smithtown Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 171 Alexander Ave, Nesconset, NY compare to other homes in Nesconset 11767?

Among the 4,585 homes in Nesconset 11767, it is worth more than 61% of them ($771,844 against a typical $734,924), its price per square foot is higher than 29% of them ($353 against a typical $389), it is bigger than 63% of them (2,184 ft² against a typical 2,012 ft²), its lot is bigger than 27% of them (0.24 ac against a typical 0.32 ac) and it is newer than 47% of them (1970 against a typical 1971). Measured against all of Suffolk County, it is worth more than 63% 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 171 Alexander Ave, Nesconset, NY?

The 2024 property tax bill for 171 Alexander Ave, Nesconset, NY was $12,242. The county assessed it at $5,045.

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