Recorded sales · 2
Deed$432,500May 28, 2020
seller GNJ SOLUTIONS, INC.
buyer NICHOLAS J. COSTANZA
Liber 13061, page 180
Deed$320,000Aug 26, 2019
seller CHERYL F. MINTZ, ESQ- REFEREE
buyer GNJ SOLUTIONS INC
Liber 13029, page 775
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Who owns 239 Brook St?
239 Brook St, Islip is owned by Nicholas J Costanza per the 2025 NYS assessment roll. It last sold for $432,500 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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