Suffolk County  »  11798  »  William St  »  9 William St

9 William Street, Wyandanch, NY 11798 - Property report

Also known as: 9 William St

Property image for 9 William Street, Wyandanch, NY 11798
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Property type

One Family Year-Round Residence (210)

Year built

1987

Acreage

0.172

General information

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Address
Primary address
9 William Street
ZIP code
11798
County
Suffolk
Village (SWIS code)
472089
Parcel ID
57-3-101.1

Owner

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Tax
Tax year
2025-2026
Current property tax
$16,288
Zoning & Use
Zoning
Residence (C)
Qualified opportunity zone
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
2,574
Year built
1987
Lot
Acreage
0.172

Area overview

Walk score
55 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
45 /100.  Somewhat Bikeable
School district
472009

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

Ownership

Ownership information for 9 William Street, Wyandanch, NY

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

Sales history for 9 William Street, Wyandanch, NY 11798

No recently recorded sales for this property.

More about Suffolk County property records.

Title documents

No recently recorded documents for this property.

Tax

Property taxes for 9 William Street, Wyandanch, NY

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

Current property tax
Tax year
2025-2026
Property tax
$16,288
Recent tax assessments
Market value
$786,441
Assessed value
$4,640

More about Suffolk 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
2025-2026 $786,441 $4,640 351.0308 $16,288 +1.95%
2024-2025 $692,537 $4,640 344.33 $15,977 +1.70%
2023-2024 $703,030 $4,640 338.5657 $15,709 +1.29%
2022-2023 $594,872 $4,640 334.2681 $15,510 +0.21%
2021-2022 $533,333 $4,640 333.5693 $15,478 +1.44%
2020-2021 $509,890 $4,640 328.8335 $15,258 +4.29%
2019-2020 $478,351 $4,640 315.31 $14,630 +0.66%
2018-2019 $433,645 $4,640 313.2529 $14,535 +1.56%
2017-2018 $414,286 $4,640 308.4405 $14,312 +3.33%
2016-2017 $393,220 $4,640 298.4967 $13,850 +4.17%
Permits

Permit information for 9 William Street, Wyandanch, 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
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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
ACADEMY CHARTER SCHOOL 2 NR Charter K-2 144 0.54
La Francis Hardiman Elementary School NR Public PK, K-2 624 0.60
La Francis Hardiman Elementary School NR Public PK, K-2 624 0.60
Martin Luther King Elementary School 3 Public 3-5 621 0.60
May Moore Primary School NR Public PK, K-2 466 0.99
May Moore Primary School NR Public PK, K-2 466 0.99
John Quincy Adams Elementary School NR Public PK, K-2 484 1.20
John Quincy Adams Elementary School NR Public PK, K-2 484 1.20
St Cyril & Methodius Catholic School NR Private PK-8 190 1.46
St Cyril & Methodius Catholic School NR Private PK-8 190 1.46
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Robert Frost Middle School 7 Public 6-8 903 0.99
Milton L Olive Middle School 5 Public 6-8 581 1.28
St Cyril & Methodius Catholic School NR Private PK-8 190 1.46
Ss Cyril & Methodius School NR Private PK-8 195 1.46
Robert Moses Middle School 4 Public 6-8 1,074 1.99
Upper Room Christian School NR Private K-12 149 2.35
Ascent School for Individuals With Autism NR Private 4-12 24 2.50
West Hollow Middle School 6 Public 6-8 969 2.90
West Babylon Junior High School 5 Public 6-8 804 2.96
West Middle School 4 Public 6-8 848 3.14
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Wyandanch Memorial High School 2 Public 9-12 843 1.18
Deer Park High School 7 Public 9-12 1,314 1.34
Upper Room Christian School NR Private K-12 149 2.35
North Babylon High School 6 Public 9-12 1,506 2.38
Ascent School for Individuals With Autism NR Private 4-12 24 2.50
Sagamore Children's Psychiatric Center NR Public 7-12 37 3.25
Western Suffolk Boces NR Public K-12 761 3.40
Half Hollow Hills High School East 9 Public 9-12 1,473 3.46
West Babylon Senior High School 7 Public 9-12 1,247 3.48
Brentwood Res Center NR Public 9-10, 12 11 3.68

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

Neighbors for 9 William Street, Wyandanch, NY

26 William St, Wyandanch 501 Eastern Pkwy, Farmingdale 76 Brown Blvd, Wyandanch 65 Arlington Ave, Wyandanch 118 Lake Dr, Wyandanch 83 Grand Blvd, Wyandanch 124 Long Island Ave, Wyandanch 84 Commonwealth Dr, Wyandanch 33 Deer St, Wyandanch 50 Commonwealth Dr, Wyandanch 72 Commonwealth Dr, Wyandanch 12 Hemlock St, Wyandanch 74 S 28th St, Wyandanch 30 William St, Wyandanch 76 S 28th St, Wyandanch 760 Conklin St, Farmingdale 1500 Wellwood Ave, West Babylon 24 Barbara Ln, Farmingdale 103 S 29th St, Wyandanch 109 S 29th St, Wyandanch

Nearby ZIP codes for 9 William Street, Wyandanch, NY

11701, Suffolk County, NY 11702, Suffolk County, NY 11703, Suffolk County, NY 11704, Suffolk County, NY 11714, Nassau County, NY 11718, Suffolk County, NY 11726, Suffolk County, NY 11729, Suffolk County, NY 11731, Suffolk County, NY 11735, Nassau County, NY 11735, Suffolk County, NY 11740, Suffolk County, NY 11746, Suffolk County, NY 11747, Suffolk County, NY 11757, Suffolk County, NY 11762, Nassau County, NY 11795, Suffolk County, NY 11797, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 9 William Street, Wyandanch, NY 11798?

The development at 9 William Street, Wyandanch, NY 11798 was built in 1987.

What is the total square footage of 9 William Street, Wyandanch, NY 11798?

9 William Street, Wyandanch, NY 11798 has a total of 2,574 square feet.

What is the assessed value of 9 William Street, Wyandanch, NY 11798?

9 William Street, Wyandanch, NY 11798 is currently assessed at $4,640.

What are the property taxes for 9 William Street, Wyandanch, NY 11798?

The property taxes for 9 William Street, Wyandanch, NY 11798 total $16,287.

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