Owner of record
OwnerBrendan Kost & Ashley Kost
Mailing address11 ALFRED ST · SAYVILLE, NY, 11782
Recorded sales · 2
Deed$490,000May 29, 2020
seller JPM HOMES LLC
buyer BRENDAN KOST
Liber 13061, page 748
Deed$316,000Jan 17, 2020
seller IRREVOCABLE TRUST JOHN C. DEMMERS 2015
buyer JPM HOMES LLC
Liber 13044, page 821
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Who owns 11 Alfred St?
11 Alfred St, Islip is owned by Brendan Kost & Ashley Kost per the 2025 NYS assessment roll. It last sold for $490,000 in May 2020.
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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