NY Property Records
21 W Adams St
21 W Adams St
Islip · Suffolk County
210 · ResidentialSold $600,000 · Nov 2025
Owner of record
OwnerChristopher Michael Dumenko
Mailing address21 W ADAMS ST · EAST ISLIP, NY, 11730
Assessment · 2025 roll
Land assessed$5,900
Total assessed$29,750
Est. annual tax$7,738 (2024, excl. special districts)
Lot
Size0.11 acres
Services & districts
School districtEast Islip (472803)
Recorded sales · 2
Deed$600,000Nov 19, 2025
seller CHRISTOPHER MICHAEL DUMENKO
buyer MARK STEINMULLER
Liber 13318, page 562
Deed$445,000Jul 13, 2022
seller PAUL LEHMAN
buyer CHRISTOPHER MICHAEL DUMENKO
Liber 13173, page 131
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13173 / 131
SBL05003210001000770000
Print key321.-1-77
SWIS472889
Parcel ID47288905003210001000770000
Who owns 21 W Adams St?
21 W Adams St, Islip is owned by Christopher Michael Dumenko per the 2025 NYS assessment roll. It last sold for $600,000 in Nov 2025.
Nearby on W Adams 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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