NY Property Records
21 Mallar Ave
21 Mallar Ave
Islip · Suffolk County
210 · Residential
Owner of record
OwnerGiresi Family Irrevoc Trust
Mailing address21 MALLAR AVE · BAY SHORE, NY, 11706
Assessment · 2025 roll
Land assessed$11,000
Total assessed$39,400
Est. annual tax$12,088 (2024, excl. special districts)
Lot
Size0.34 acres
Services & districts
School districtIslip (472802)
Recorded sales · 1
Deed$10Jan 6, 2024
seller GARY M GIRESI
buyer IRREV TR THE GIRESI FAMILY
Liber 13246, page 32
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13246 / 32
SBL05003950002000370000
Print key395.-2-37
SWIS472889
Parcel ID47288905003950002000370000
Who owns 21 Mallar Ave?
21 Mallar Ave, Islip is owned by Giresi Family Irrevoc Trust per the 2025 NYS assessment roll.
Nearby on Mallar 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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