4723 12 Avenue
Borough Park, Brooklyn
Parcel ID (BBL): 3056280001
Owner: Yakov Gelb
Debt: April 19, 2022, $30.6 million
Built: 1930
Renovated: 1985
SF: 72,000
Dwelling units: 61
No. of buildings: 1
Class: Semi-Fireproof With Stores (D7)
Floors: 6
Transactions:
• Yakov Gelb and Mike Kohn borrowed $30.6 million from CoreVest American Finance Lender for 4711 12th Avenue, 1314 46th Street, 4520 12th Avenue, and 1215 47th Street, Borough Park, Brooklyn on April 19, 2022.
Development:
• Yakov Gelb filed plans for alteration in Borough Park, Brooklyn, on November 17, 2025.
• Mike Kohn filed plans for A3 in Borough Park, Brooklyn, on August 24, 2017.
• Amrik Singh filed plans for A3 in Borough Park, Brooklyn, on November 29, 2013.
Violations:
According to city public data, the properties have received one DOB violation, $12,500 in ECB penalties, 162 housing violations, and $12,500 in OATH penalties in the last year.
