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Single Family ResidenceResidential
$507,111$554 / 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 Aug 30, 2026
Last sold for $350,000 on Jul 8, 2024

631 AMSTERDAM AVE

EAST PATCHOGUE, NY 11772
3
Beds
1
Baths
916 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
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

$507K
$480K low$534K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$350,000 · Jul 8, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,305 (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.$2,350 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$180
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,170
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$489,583

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.0.21
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(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.

Foreclosure Filings(2)

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 SchoolC
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 · 2.1 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%

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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

631 Amsterdam 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 88% of homes in Suffolk County
  • Costs more per square foot than 97% of homes in North Bellport
  • Smaller than 93% of homes in Suffolk County
  • Has a smaller lot than 69% of homes in Suffolk County
  • Older than 70% of homes in Suffolk County

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
$353K$1.1M

This home is worth more than 21% 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$507,111
CheaperTypical $581,319Pricier

Pricier than 21% of homes nearby

Price per ft²$554
CheaperTypical $393Pricier

Pricier than 90% of homes nearby

Living area916 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.21 ac
SmallerTypical 0.25 acBigger

Bigger than 38% of homes nearby

Year built1959
OlderTypical 1958Newer

Newer than 53% of homes nearby

How 631 Amsterdam Ave ranks against every home in each area.
MeasureThis homeNorth BellportPatchogue 11772Suffolk County
Estimated valuepricier than$507,11150% of homes21% of homes12% of homes
Price per ft²pricier than$55497% of homes90% of homes79% of homes
Living areabigger than916 ft²19% of homes12% of homes7% of homes
Lot sizebigger than0.21 ac43% of homes38% of homes31% of homes
Year builtnewer than195931% of homes53% of homes30% of homes

About 631 Amsterdam Ave

How much is 631 Amsterdam Ave, East Patchogue, NY worth?

The TopHap Estimate for 631 Amsterdam Ave, East Patchogue, NY is $507,111 as of Aug 30, 2026. The likely range is $480,220 to $534,002. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 631 Amsterdam Ave, East Patchogue, NY last sell?

631 Amsterdam Ave, East Patchogue, NY last sold on Jul 8, 2024 for $350,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 631 Amsterdam Ave, East Patchogue, NY?

631 Amsterdam Ave, East Patchogue, NY has 3 bedrooms, 1 bathrooms, 916 square feet of living space and a 0.21-acre lot.

When was 631 Amsterdam Ave, East Patchogue, NY built?

631 Amsterdam Ave, East Patchogue, NY was built in 1959, making it 67 years old. It is a ranch home. The building has 1 story.

What schools serve 631 Amsterdam Ave, East Patchogue, NY?

631 Amsterdam Ave, East Patchogue, NY is assigned to Verne W Critz Elementary School (elementary), rated C; 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 631 Amsterdam Ave, East Patchogue, NY compare to other homes in Patchogue 11772?

Among the 13,190 homes in Patchogue 11772, it is worth more than 21% of them ($507,111 against a typical $581,319), its price per square foot is higher than 90% of them ($554 against a typical $393), it is bigger than 12% of them (916 ft² against a typical 1,470 ft²), its lot is bigger than 38% of them (0.21 ac against a typical 0.25 ac) and it is newer than 53% of them (1959 against a typical 1958). Measured against all of Suffolk County, it is worth more than 12% 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 631 Amsterdam Ave, East Patchogue, NY?

The 2024 property tax bill for 631 Amsterdam Ave, East Patchogue, NY was $9,305. The county assessed it at $2,350.

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