NY Property Records
19 William Ave
19 William Ave
Islip · Suffolk County
210 · ResidentialSold $363,500 · Aug 2018
Owner of record
OwnerMaryann Spiezio
Mailing address19 WILLIAM AVE · ISLIP, NY, 11751
Assessment · 2025 roll
Land assessed$6,600
Total assessed$39,000
Est. annual tax$11,966 (2024, excl. special districts)
Lot
Size0.17 acres
Services & districts
School districtIslip (472802)
Recorded sales · 1
Deed$363,500Aug 16, 2018
seller JOANN SUSAN, NEXT OF KIN ESABAATO
buyer MARYANN SPIEZIO
Liber 12978, page 958
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12978 / 958
SBL05003200001000600002
Print key320.-1-60.2
SWIS472889
Parcel ID47288905003200001000600002
Who owns 19 William Ave?
19 William Ave, Islip is owned by Maryann Spiezio per the 2025 NYS assessment roll. It last sold for $363,500 in Aug 2018.
Nearby on William 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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