Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$548,367
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 90How 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
Last sold for $449,990 on Nov 21, 2023

621 POST AVE

BELLPORT, NY 11713
0
Baths
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$548K
$493K low$604K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$449,990 · Nov 21, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,456 (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.$2,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,250
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$500,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.17
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.Lake Front

Transaction History(2)

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.

H
Bellport Senior High SchoolD+
High · Grades 9–12 · 1.2 mi
M
Bellport Middle SchoolC-
Middle · Grades 6–8 · 1.2 mi
E
Brookhaven Elementary SchoolD+
Elementary · Grades PK–3 · 1.7 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%

Owner Tools

Do you own this home?
Claim this home

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

621 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 82% of homes in Suffolk County
  • Has a smaller lot than 95% 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
$343K$3.8M

This home is worth more than 39% 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$548,367
CheaperTypical $608,561Pricier

Pricier than 39% of homes nearby

Lot size0.17 ac
SmallerTypical 0.27 acBigger

Bigger than 5% of homes nearby

How 621 Post Ave ranks against every home in each area.
MeasureThis homeBellport 11713Suffolk County
Estimated valuepricier than$548,36739% of homes18% of homes
Lot sizebigger than0.17 ac5% of homes17% of homes

About 621 Post Ave

How much is 621 Post Ave, Bellport, NY worth?

The TopHap Estimate for 621 Post Ave, Bellport, NY is $548,367 as of Sep 24, 2026. The likely range is $492,612 to $604,122. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 Post Ave, Bellport, NY last sell?

621 Post Ave, Bellport, NY last sold on Nov 21, 2023 for $449,990, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 621 Post Ave, Bellport, NY?

621 Post Ave, Bellport, NY is assigned to Bellport Senior High School (high), rated D+; Bellport Middle School (middle), rated C-; 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 621 Post Ave, Bellport, NY compare to other homes in Bellport 11713?

Among the 3,118 homes in Bellport 11713, it is worth more than 39% of them ($548,367 against a typical $608,561) and its lot is bigger than 5% of them (0.17 ac against a typical 0.27 ac). Measured against all of Suffolk County, it is worth more than 18% 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 621 Post Ave, Bellport, NY?

The 2024 property tax bill for 621 Post Ave, Bellport, NY was $9,456. The county assessed it at $2,400.

More homes on Post Ave

Closest homes

More homes in Bellport 11713

Assigned schools

Explore the area

See this home in context

Open 621 Post Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map