Owner of record
OwnerMariana Portoviejo &
Mailing address273 4TH AVE · BAY SHORE, NY, 11706
Recorded sales · 2
Deed$255,000Nov 19, 2018
seller ASSN (FANNIE MAE) FEDERAL NATIONAL MORTGAGE
buyer MARIANA PORTOVIEJO
Liber 12990, page 670
Deed$527,577Feb 17, 2017
seller SEKANDER YOSOFI
buyer ASSOCIATION FEDERAL NATIONAL MORTGAGE
Liber 12904, page 762
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Who owns 273 4th Ave?
273 4th Ave, Islip is owned by Mariana Portoviejo & per the 2025 NYS assessment roll. It last sold for $255,000 in Nov 2018.
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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