NY Property Records

18 Whitehall Ct
Islip · Suffolk County

210 · Residential
Owner of record
OwnerMark & Jennifer Gassner
Mailing address18 WHITEHALL CT · HOLBROOK, NY, 11741
Assessment · 2025 roll
Land assessed$10,400
Total assessed$49,000
Est. annual tax$11,644 (2024, excl. special districts)
Lot
Size0.29 acres
Services & districts
School districtSachem (472205)
Deed & identifiers
SBL05001540006000130000
Print key154.-6-13
SWIS472889
Parcel ID47288905001540006000130000

Who owns 18 Whitehall Ct?

18 Whitehall Ct, Islip is owned by Mark & Jennifer Gassner per the 2025 NYS assessment roll.
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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