NY Property Records
21 West Ave
21 West Ave
Islip · Suffolk County
210 · Residential
Owner of record
OwnerTatiana Gagnon
Mailing address21 WEST AVE · WEST SAYVILLE, NY, 11796
Assessment · 2025 roll
Land assessed$12,800
Total assessed$36,400
Est. annual tax$10,551 (2024, excl. special districts)
Lot
Size0.29 acres
Services & districts
School districtSayville (472804)
Recorded sales · 1
Deedno price statedMay 19, 2021
seller JEFFREY GAGNON
buyer TATIANA GAGNON
Liber 13259, page 876
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13259 / 876
SBL05004070005000030000
Print key407.-5-3
SWIS472889
Parcel ID47288905004070005000030000
Who owns 21 West Ave?
21 West Ave, Islip is owned by Tatiana Gagnon per the 2025 NYS assessment roll.
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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