NY Property Records
21 Bay 3rd St
21 Bay 3rd St
Islip · Suffolk County
210 · ResidentialSold $450,000 · Dec 2021
Owner of record
OwnerMatthew Sullivan & Lesly Kuan
Mailing address21 BAY 3RD ST · ISLIP, NY, 11751
Assessment · 2025 roll
Land assessed$10,700
Total assessed$29,650
Est. annual tax$9,097 (2024, excl. special districts)
Lot
Size0.14 acres
Services & districts
School districtIslip (472802)
Recorded sales · 2
Deed$450,000Dec 22, 2021
seller WILLIAM BELBER III
buyer MATTHEW SULLIVAN
Liber 13141, page 901
Deedno price statedJan 17, 2019
seller LINDA JEAN BELBER
buyer LINDA JEAN BELBER
Liber 13002, page 98
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13141 / 901
SBL05003970002000170000
Print key397.-2-17
SWIS472889
Parcel ID47288905003970002000170000
Who owns 21 Bay 3rd St?
21 Bay 3rd St, Islip is owned by Matthew Sullivan & Lesly Kuan per the 2025 NYS assessment roll. It last sold for $450,000 in Dec 2021.
Nearby on Bay 3rd 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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