Owner of record
OwnerSantos L Diaz De Portillo
Mailing address10 SYLVAN ST · BAY SHORE, NY, 11706
Recorded sales · 3
Deedno price statedAug 7, 2023
seller SANTOS L DIAZ DE PORTILLO
buyer SANTOS L. DIAZ DE PORTILLO
Liber 13219, page 17
Deed$280,000Feb 1, 2023
seller JAMES KELTY
buyer SANTOS L. DIAZ DEPORTILLO
Liber 13198, page 699
Deedno price statedJul 22, 2022
seller JAMES KELTY
buyer JAMES KELTY
Liber 13169, page 270
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Who owns 10 Sylvan St?
10 Sylvan St, Islip is owned by Santos L Diaz De Portillo per the 2025 NYS assessment roll. It last sold for $280,000 in Feb 2023.
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.
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