NY Property Records
49 W Madison St
49 W Madison St
Islip · Suffolk County
210 · ResidentialSold $735,000 · May 2025
Owner of record
OwnerJohn Koopman & Sylwia Klepadio
Mailing address49 W MADISON ST · EAST ISLIP, NY, 11730
Assessment · 2025 roll
Land assessed$7,200
Total assessed$36,000
Est. annual tax$9,364 (2024, excl. special districts)
Lot
Size0.22 acres
Services & districts
School districtEast Islip (472803)
Recorded sales · 2
Deed$735,000May 30, 2025
seller JOHN KOOPMAN
buyer SHANNON MCFADDEN
Liber 13301, page 820
Deed$450,000Aug 28, 2019
seller PATRICK HUDSON
buyer JOHN M KOOPMAN
Liber 13037, page 449
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13301 / 820
SBL05003210003000490001
Print key321.-3-49.1
SWIS472889
Parcel ID47288905003210003000490001
Who owns 49 W Madison St?
49 W Madison St, Islip is owned by John Koopman & Sylwia Klepadio per the 2025 NYS assessment roll. It last sold for $735,000 in May 2025.
Nearby on W Madison 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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