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Single Family ResidenceResidential
$538,225$781 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $190,000 on Aug 2, 2003

10 WILLIAM ST

PATCHOGUE, NY 11772
2
Beds
1
Baths
689 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$538K
$488K low$588K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$190,000 · Aug 2, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,267 (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.$2,340 (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.$2,190
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$487,500

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
HeatingThe type of heating system in the home.Radiant
FireplaceWhether the home has a fireplace, and what kind.Yes
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(1)

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.

E
Verne W Critz Elementary SchoolD
Elementary · Grades KG–3 · 0.7 mi
M
Bellport Middle SchoolC-
Middle · Grades 6–8 · 1.7 mi
H
Bellport Senior High SchoolD+
High · Grades 9–12 · 2.9 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

10 William St 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 85% of homes in Suffolk County
  • Among the highest price per square foot in East Patchogue
  • Smaller than 98% of homes in East Patchogue
  • Has a smaller lot than 91% of homes in East Patchogue
  • Older than 92% 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
$376K$1.2M

This home is worth more than 31% 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$538,225
CheaperTypical $580,075Pricier

Pricier than 31% of homes nearby

Price per ft²$781
CheaperTypical $396Pricier

Pricier than 98% of homes nearby

Living area689 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.17 ac
SmallerTypical 0.24 acBigger

Bigger than 20% of homes nearby

Year built1939
OlderTypical 1958Newer

Newer than 24% of homes nearby

How 10 William St ranks against every home in each area.
MeasureThis homeEast PatchoguePatchogue 11772Suffolk County
Estimated valuepricier than$538,22525% of homes31% of homes15% of homes
Price per ft²pricier than$781almost all homes98% of homes91% of homes
Living areabigger than689 ft²2% of homes3% of homes2% of homes
Lot sizebigger than0.17 ac9% of homes20% of homes17% of homes
Year builtnewer than193919% of homes24% of homes8% of homes

About 10 William St

How much is 10 William St, Patchogue, NY worth?

The TopHap Estimate for 10 William St, Patchogue, NY is $538,225 as of Oct 21, 2026. The likely range is $488,083 to $588,367. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10 William St, Patchogue, NY last sell?

10 William St, Patchogue, NY last sold on Aug 2, 2003 for $190,000, according to the county's recorded deed.

How big is 10 William St, Patchogue, NY?

10 William St, Patchogue, NY has 2 bedrooms, 1 bathrooms, 689 square feet of living space and a 0.17-acre lot.

When was 10 William St, Patchogue, NY built?

10 William St, Patchogue, NY was built in 1939, making it 87 years old. The building has 1 story.

What schools serve 10 William St, Patchogue, NY?

10 William St, 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 10 William St, Patchogue, NY compare to other homes in Patchogue 11772?

Among the 13,201 homes in Patchogue 11772, it is worth more than 31% of them ($538,225 against a typical $580,075), its price per square foot is higher than 98% of them ($781 against a typical $396), it is bigger than 3% of them (689 ft² against a typical 1,470 ft²), its lot is bigger than 20% of them (0.17 ac against a typical 0.24 ac) and it is newer than 24% of them (1939 against a typical 1958). Measured against all of Suffolk County, it is worth more than 15% 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 10 William St, Patchogue, NY?

The 2024 property tax bill for 10 William St, Patchogue, NY was $9,267. The county assessed it at $2,340.

More homes on William St

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Assigned schools

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