NY Property Records
89 Boulevard Ave
89 Boulevard Ave
Islip · Suffolk County
210 · Residential
Owner of record
OwnerThomas & Annbeth Guilfoil
Mailing address89 BOULEVARD AVE · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$8,900
Total assessed$48,000
Est. annual tax$12,945 (2024, excl. special districts)
Lot
Size0.27 acres
Services & districts
School districtWest Islip (472809)
Recorded sales · 1
Deedno price statedJul 29, 2025
seller THOMAS 50 GUILFOIL
buyer THOMAS M GUILFOI TT
Liber 13309, page 230
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13309 / 230
SBL05003350001000470000
Print key335.-1-47
SWIS472889
Parcel ID47288905003350001000470000
Who owns 89 Boulevard Ave?
89 Boulevard Ave, Islip is owned by Thomas & Annbeth Guilfoil per the 2025 NYS assessment roll.
Nearby on Boulevard 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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