NY Property Records
20 Duffin Ave
20 Duffin Ave
Islip · Suffolk County
220 · ResidentialSold $619,000 · May 2023
Owner of record
OwnerDavid J Steiner
Mailing address20 DUFFIN AVE · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$9,400
Total assessed$42,700
Est. annual tax$11,516 (2024, excl. special districts)
Lot
Size0.25 acres
Services & districts
School districtWest Islip (472809)
Recorded sales · 1
Deed$619,000May 9, 2023
seller CHRISTOPHER MCINTYRE
buyer DAVID J STEINER
Liber 13208, page 415
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13208 / 415
SBL05004140001001000000
Print key414.-1-100
SWIS472889
Parcel ID47288905004140001001000000
Who owns 20 Duffin Ave?
20 Duffin Ave, Islip is owned by David J Steiner per the 2025 NYS assessment roll. It last sold for $619,000 in May 2023.
Nearby on Duffin 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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