NY Property Records
49 William St
49 William St
Islip · Suffolk County
210 · Residential
Owner of record
OwnerMarco & Gloria Leiva
Mailing address49 WILLIAM ST · BRENTWOOD, NY, 11717
Assessment · 2025 roll
Land assessed$6,800
Total assessed$30,700
Est. annual tax$6,834 (2024, excl. special districts)
Lot
Size0.21 acres
Services & districts
School districtBrentwood (472812)
Deed & identifiers
SBL05001140002000300000
Print key114.-2-30
SWIS472889
Parcel ID47288905001140002000300000
Who owns 49 William St?
49 William St, Islip is owned by Marco & Gloria Leiva per the 2025 NYS assessment roll.
Nearby on William St
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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