Nassau County  »  11791  »  Willams Ave  »  4 Willams Ave

4 Willams Avenue, Syosset, NY 11791 - Property report

Also known as: 4 Willams Ave

Property image for 4 Willams Avenue, Syosset, NY 11791
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Property type

One Family Year - Round Residence (210.01)

Year built

1955

Acreage

0.157

Sale price

$1,150,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
4 Willams Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-80-22

Owner

Find out who owns 4 Willams Avenue, Syosset, NY 11791. Uncover corporate and individual owners with a free account.

Sales
Sale date
11/15/2021
Sale price
$1,150,000
Arm's length
Tax
Tax year
2026
Current property tax
$22,438
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
2,373
Buildings on lot
1
Stories
2
Year built
1955
Rooms
11
Bathrooms
3
Half bathrooms
1
Exterior wall
Alum/Vinyl
Building style
Colonial
Basement
Full
Attic
None
Fireplaces
1
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
0.157
Topography
Level
Land
Primary site

Area overview

Walk score
54 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
41 /100.  Somewhat Bikeable
School district
3014

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 4 Willams Avenue, Syosset, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 4 Willams Avenue, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
11/15/2021 $1,150,000 XXX XXXXXX; XXX XXXXXXXX XXXXXXXX XXXXX; XXXXXXX X XXXXXXXX XXX; XXXXXXXX XXXXXXX XX; XXXXXXXX XXXXX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
12/07/2021 - R
11/15/2021 - D		 Deed XXXXXXXX XXXXX XXX XXXXXX
12/07/2021 - R
11/15/2021 - D		 Mortgage
(Fixed Rate)		 XXX XXXXXX XXXX
08/09/2019 - R Other
(Mortgage Satisfaction)		 XXXXXXXX XXXXX XXXXX XXXXX XXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 4 Willams Avenue, Syosset, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026
Current property tax
$22,438
Base tax
$25,397
Current school tax
Recent tax assessments
Market value
$781,000
Assessed value
$781
Transitional assessed value
Exemptions

More about Nassau County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2026 $781,000 $781 3251.91 $25,397 +0.85%
2025 $802,000 $802 3139.97 $25,183 +2.76%
2024 $729,435 $729 3361.673 $24,507 -3.79%
2023 $729,000 $729 3493.926 $25,471 -8.54%
2022 $729,000 $729 3820.056 $27,848 -8.71%
2021 $710,000 $710 4296.58 $30,506 +73.59%
2020 $373,600 $934 1881.494 $17,573 -0.59%
2019 $400,400 $1,001 1766.064 $17,678 -0.80%
2018 $427,200 $1,068 1668.546 $17,820 -4.86%
2017 $474,000 $1,185 1580.606 $18,730 +5.83%
Permits

Permit information for 4 Willams Avenue, Syosset, NY

No recently recorded permits for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 4 Willams Avenue, Syosset, NY 11791 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Willits Elementary School 9 Public K-5 305 0.34
South Grove Elementary School 9 Public K-5 416 0.47
Baylis Elementary School 9 Public K-5 405 0.92
St Edward Confessor School NR Private PK-8 265 0.96
St Edward Confessor School NR Private PK-8 265 0.96
Village Elementary School 9 Public K-5 415 1.11
Robbins Lane Elementary School 9 Public K-5 500 1.24
P.S. 256 NR Public PK, K-12 500 1.36
P.S. 256 NR Public PK, K-12 500 1.36
Judy Jacobs Parkway Elementary School 8 Public K-4 392 1.36
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
H B Thompson Middle School 9 Public 6-8 997 0.46
St Edward Confessor School NR Private PK-8 265 0.96
Fusion Academy Woodbury Ny NR Private 6-12 75 1.01
P.S. 256 NR Public PK, K-12 500 1.36
South Woods Middle School 8 Public 6-8 746 1.96
Plainview Old Bethpage Middle School 8 Public 5-8 889 1.98
Our Lady Of Mercy School NR Private PK-8 195 2.09
Good Shepherd Lutheran School NR Private 0 2.13
The Center For Developmental Disabilities NR Private 105 2.16
Jericho Middle School 9 Public 6-8 810 2.24
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Fusion Academy Woodbury Ny NR Private 6-12 75 1.01
P.S. 256 NR Public PK, K-12 500 1.36
Our Lady Of Mercy Academy NR Private 9-12 359 1.54
Syosset Senior High School 10 Public 9-12 2,266 1.93
Good Shepherd Lutheran School NR Private 0 2.13
The Center For Developmental Disabilities NR Private 105 2.16
Jericho Senior High School 10 Public 9-12 1,258 2.24
Plainview Old Bethpage JFK High School 10 Public 9-12 1,649 2.71
Long Island Lutheran Middle & High School NR Private 6-12 439 2.72

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 4 Willams Avenue, Syosset, NY

27 Underhill Ave, Syosset 6 Williams Ave, Syosset 38 Underhill Ave, Syosset 34 Underhill Ave, Syosset 14 Williams Ave, Syosset 36 Underhill Ave, Syosset 12 Williams Ave, Syosset 18 Williams Ave, Syosset 32 A Underhill Ave, Syosset 45 A Hillside Ln, Syosset 43 Hillside Ln, Syosset 20 Williams Ave, Syosset 22 Williams Ave, Syosset 32 Underhill Ave, Syosset 29 Underhill Ave, Syosset 10 Williams Ave, Syosset 16 Williams Ave, Syosset 8 Williams Ave, Syosset 1 Hicks Ln, Syosset 45 Hillside Ln, Syosset

Nearby ZIP codes for 4 Willams Avenue, Syosset, NY

11545, Nassau County, NY 11548, Nassau County, NY 11554, Nassau County, NY 11560, Nassau County, NY 11568, Nassau County, NY 11590, Nassau County, NY 11709, Nassau County, NY 11714, Nassau County, NY 11724, Suffolk County, NY 11732, Nassau County, NY 11743, Suffolk County, NY 11747, Suffolk County, NY 11753, Nassau County, NY 11756, Nassau County, NY 11765, Nassau County, NY 11797, Nassau County, NY 11801, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 4 Willams Avenue, Syosset, NY 11791?

The development at 4 Willams Avenue, Syosset, NY 11791 was built in 1955.

What is the total square footage of 4 Willams Avenue, Syosset, NY 11791?

4 Willams Avenue, Syosset, NY 11791 has a total of 2,373 square feet.

When was 4 Willams Avenue, Syosset, NY 11791 last sold and what was the sale price?

4 Willams Avenue, Syosset, NY 11791 was last sold on 11/15/2021 for $1,150,000.

What is the assessed value of 4 Willams Avenue, Syosset, NY 11791?

4 Willams Avenue, Syosset, NY 11791 is currently assessed at $781.

What are the property taxes for 4 Willams Avenue, Syosset, NY 11791?

The property taxes for 4 Willams Avenue, Syosset, NY 11791 total $25,397.

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