NY Property Records

7 William Ave
Islip · Suffolk County

210 · Residential
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Owner of record
OwnerJames & Susan Kavanagh
Mailing address7 WILLIAM AVE · EAST ISLIP, NY, 11730
Assessment · 2025 roll
Land assessed$9,900
Total assessed$43,800
Est. annual tax$11,393 (2024, excl. special districts)
Lot
Size0.25 acres
Services & districts
School districtEast Islip (472803)
Deed & identifiers
Deed book / page12464 / 110
SBL05003720004000250003
Print key372.-4-25.3
SWIS472889
Parcel ID47288905003720004000250003

Who owns 7 William Ave?

7 William Ave, Islip is owned by James & Susan Kavanagh per the 2025 NYS assessment roll.
Nearby on William Ave
6 William Ave · 5 William Ave · 9 William Ave · 9 William Ave · 5 William Ave · 10 William Ave · 10 William Ave · 11 William Ave · 12 William Ave · 13 William Ave
Public record, NYS tax roll 2025. Values are the assessor's, not an appraisal. Provided for informational purposes only — accuracy and completeness are not warranted or guaranteed; verify against official sources before relying on it. Disclaimer · Request redaction

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