Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$442,215$360 / 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 95How 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 $317,000 on Sep 3, 2021

640 NARRAGANSETT AVE

EAST PATCHOGUE, NY 11772
3
Beds
1
Baths
1,230 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$442K
$422K low$463K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$317,000 · Sep 3, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,459 (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.$1,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$160
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,440
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$333,333

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.0.18
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

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

E
Verne W Critz Elementary SchoolD
Elementary · Grades KG–3 · 1.0 mi
M
Bellport Middle SchoolC-
Middle · Grades 6–8 · 1.6 mi
H
Bellport Senior High SchoolD+
High · Grades 9–12 · 2.0 mi

District: South Country Central School District

Neighborhood · ZIP 11772These 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.103
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 100.59

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
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.44,232
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,172 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,427
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,441
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

640 Narragansett 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 95% of homes in Suffolk County
  • Costs less per square foot than 69% of homes in Suffolk County
  • Smaller than 76% of homes in Suffolk County
  • Has a smaller lot than 75% of homes in Suffolk County
  • Older than 80% of homes in North Bellport

What homes are worth in Patchogue 11772

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

This home
$373K$1.2M

This home is worth more than 7% of homes in Patchogue 11772.

How it measures up in Patchogue 11772

The dot is this home. The mark in the middle is the typical home in Patchogue 11772.

Estimated value$442,215
CheaperTypical $588,328Pricier

Pricier than 7% of homes nearby

Price per ft²$360
CheaperTypical $399Pricier

Pricier than 32% of homes nearby

Living area1,230 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.18 ac
SmallerTypical 0.24 acBigger

Bigger than 29% of homes nearby

Year built1955
OlderTypical 1958Newer

Newer than 46% of homes nearby

How 640 Narragansett Ave ranks against every home in each area.
MeasureThis homeNorth BellportPatchogue 11772Suffolk County
Estimated valuepricier than$442,21526% of homes7% of homes5% of homes
Price per ft²pricier than$36039% of homes32% of homes31% of homes
Living areabigger than1,230 ft²47% of homes33% of homes24% of homes
Lot sizebigger than0.18 ac33% of homes29% of homes25% of homes
Year builtnewer than195520% of homes46% of homes23% of homes

About 640 Narragansett Ave

How much is 640 Narragansett Ave, East Patchogue, NY worth?

The TopHap Estimate for 640 Narragansett Ave, East Patchogue, NY is $442,215 as of Sep 24, 2026. The likely range is $421,811 to $462,619. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Narragansett Ave, East Patchogue, NY last sell?

640 Narragansett Ave, East Patchogue, NY last sold on Sep 3, 2021 for $317,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 640 Narragansett Ave, East Patchogue, NY?

640 Narragansett Ave, East Patchogue, NY has 3 bedrooms, 1 bathrooms, 1,230 square feet of living space and a 0.18-acre lot.

When was 640 Narragansett Ave, East Patchogue, NY built?

640 Narragansett Ave, East Patchogue, NY was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 640 Narragansett Ave, East Patchogue, NY?

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

How does 640 Narragansett Ave, East Patchogue, NY compare to other homes in Patchogue 11772?

Among the 13,201 homes in Patchogue 11772, it is worth more than 7% of them ($442,215 against a typical $588,328), its price per square foot is higher than 32% of them ($360 against a typical $399), it is bigger than 33% of them (1,230 ft² against a typical 1,470 ft²), its lot is bigger than 29% of them (0.18 ac against a typical 0.24 ac) and it is newer than 46% of them (1955 against a typical 1958). Measured against all of Suffolk County, it is worth more than 5% 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 640 Narragansett Ave, East Patchogue, NY?

The 2024 property tax bill for 640 Narragansett Ave, East Patchogue, NY was $6,459. The county assessed it at $1,600.

More homes on Narragansett Ave

Closest homes

More homes in East Patchogue 11772

Assigned schools

Explore the area

See this home in context

Open 640 Narragansett 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