NY Property Records
55 West Ave
55 West Ave
Islip · Suffolk County
210 · ResidentialSold $460,000 · Jul 2019
Owner of record
OwnerSteven Kosin
Mailing address55 WEST AVE · WEST SAYVILLE, NY, 11796
Assessment · 2025 roll
Land assessed$19,200
Total assessed$39,900
Est. annual tax$11,565 (2024, excl. special districts)
Lot
Size0.39 acres
Services & districts
School districtSayville (472804)
Recorded sales · 1
Deed$460,000Jul 9, 2019
seller JOHN J. GRENNAN
buyer STEVEN KOSIN
Liber 13022, page 512
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13022 / 512
SBL05004290001000070000
Print key429.-1-7
SWIS472889
Parcel ID47288905004290001000070000
Who owns 55 West Ave?
55 West Ave, Islip is owned by Steven Kosin per the 2025 NYS assessment roll. It last sold for $460,000 in Jul 2019.
Nearby on West 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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