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Single Family ResidenceResidential
$370,265$351 / 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 88How 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 $165,000 on Sep 18, 2003

539 POST AVE

BELLPORT, NY 11713
3
Beds
1
Baths
1,056 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$370K
$326K low$415K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$165,000 · Sep 18, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,778 (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.$1,450 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,350
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$302,083

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.0.23
HeatingThe type of heating system in the home.Radiant
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.Waterfront

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

M
Bellport Middle SchoolC-
Middle · Grades 6–8 · 1.1 mi
H
Bellport Senior High SchoolD+
High · Grades 9–12 · 1.1 mi
E
Brookhaven Elementary SchoolD+
Elementary · Grades PK–3 · 1.6 mi

District: South Country Central School District

Neighborhood · ZIP 11713These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.10,888
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,858 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,789
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,337
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

539 Post 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.

  • Worth less than 98% of homes in Suffolk County
  • Costs less per square foot than 78% of homes in Bellport 11713
  • Smaller than 86% of homes in Suffolk County
  • Has a smaller lot than 67% of homes in Bellport 11713
  • Newer than 68% of homes in Bellport 11713

What homes are worth in Bellport 11713

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

This home
$323K$3.5M

This home is worth more than 9% of homes in Bellport 11713.

How it measures up in Bellport 11713

The dot is this home. The mark in the middle is the typical home in Bellport 11713.

Estimated value$370,265
CheaperTypical $606,701Pricier

Pricier than 9% of homes nearby

Price per ft²$351
CheaperTypical $426Pricier

Pricier than 22% of homes nearby

Living area1,056 ft²
SmallerTypical 1,407 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.23 ac
SmallerTypical 0.27 acBigger

Bigger than 33% of homes nearby

Year built1976
OlderTypical 1963Newer

Newer than 68% of homes nearby

How 539 Post Ave ranks against every home in each area.
MeasureThis homeBellport 11713Suffolk County
Estimated valuepricier than$370,2659% of homes2% of homes
Price per ft²pricier than$35122% of homes28% of homes
Living areabigger than1,056 ft²24% of homes14% of homes
Lot sizebigger than0.23 ac33% of homes38% of homes
Year builtnewer than197668% of homes63% of homes

About 539 Post Ave

How much is 539 Post Ave, Bellport, NY worth?

The TopHap Estimate for 539 Post Ave, Bellport, NY is $370,265 as of Aug 30, 2026. The likely range is $325,822 to $414,708. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 539 Post Ave, Bellport, NY last sell?

539 Post Ave, Bellport, NY last sold on Sep 18, 2003 for $165,000, according to the county's recorded deed.

How big is 539 Post Ave, Bellport, NY?

539 Post Ave, Bellport, NY has 3 bedrooms, 1 bathrooms, 1,056 square feet of living space and a 0.23-acre lot.

When was 539 Post Ave, Bellport, NY built?

539 Post Ave, Bellport, NY was built in 1976, making it 50 years old. It is a ranch home. The building has 1 story.

What schools serve 539 Post Ave, Bellport, NY?

539 Post Ave, Bellport, NY is assigned to Bellport Middle School (middle), rated C-; Bellport Senior High School (high), rated D+; Brookhaven Elementary School (elementary), rated D+. All sit in South Country Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 539 Post Ave, Bellport, NY compare to other homes in Bellport 11713?

Among the 3,116 homes in Bellport 11713, it is worth more than 9% of them ($370,265 against a typical $606,701), its price per square foot is higher than 22% of them ($351 against a typical $426), it is bigger than 24% of them (1,056 ft² against a typical 1,407 ft²), its lot is bigger than 33% of them (0.23 ac against a typical 0.27 ac) and it is newer than 68% of them (1976 against a typical 1963). Measured against all of Suffolk County, it is worth more than 2% 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 539 Post Ave, Bellport, NY?

The 2024 property tax bill for 539 Post Ave, Bellport, NY was $3,778. The county assessed it at $1,450.

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