NY Property Records

11 Willoughby Ave
Islip · Suffolk County

210 · Residential
Owner of record
OwnerJohn & Annamaria Marmo
Mailing address10 CHURCH LN · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$9,100
Total assessed$25,200
Est. annual tax$6,796 (2024, excl. special districts)
Lot
Size0.06 acres
Services & districts
School districtWest Islip (472809)
Deed & identifiers
Deed book / page12864 / 111
SBL05004720002000480000
Print key472.-2-48
SWIS472889
Parcel ID47288905004720002000480000

Who owns 11 Willoughby Ave?

11 Willoughby Ave, Islip is owned by John & Annamaria Marmo per the 2025 NYS assessment roll.
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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