NY Property Records
101 Jefferson Ave
101 Jefferson Ave
Islip · Suffolk County
210 · Residential
Owner of record
OwnerBrian Costello
Mailing address101 JEFFERSON AVE · ISLIP TERRACE, NY, 11752
Assessment · 2025 roll
Land assessed$6,200
Total assessed$34,700
Est. annual tax$7,802 (2024, excl. special districts)
Lot
Size0.2 acres
Services & districts
School districtEast Islip (472803)
Deed & identifiers
SBL05002960001000460000
Print key296.-1-46
SWIS472889
Parcel ID47288905002960001000460000
Who owns 101 Jefferson Ave?
101 Jefferson Ave, Islip is owned by Brian Costello per the 2025 NYS assessment roll.
Nearby on Jefferson 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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