NY Property Records
58 River St
58 River St
Islip · Suffolk County
210 · Residential
Owner of record
OwnerSieminski Family Irrevoc Trust
Mailing address58 RIVER ST · SAYVILLE, NY, 11782
Assessment · 2025 roll
Land assessed$14,000
Total assessed$54,700
Est. annual tax$15,855 (2024, excl. special districts)
Lot
Size0.52 acres
Services & districts
School districtSayville (472804)
Recorded sales · 1
Deedno price statedDec 16, 2021
seller THOMAS SIEMINSKI
buyer SIEMINSKI FAMILY LIV TR
Liber 13160, page 820
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13160 / 820
SBL05004090005000120000
Print key409.-5-12
SWIS472889
Parcel ID47288905004090005000120000
Who owns 58 River St?
58 River St, Islip is owned by Sieminski Family Irrevoc Trust per the 2025 NYS assessment roll.
Nearby on River St
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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