128 Union Street
Columbia Waterfront, Brooklyn
Parcel ID (BBL): 3003420016
Owner: Court Square Real Estate Partners
Acquired: September 03, 2021, $2.9 million
Debt: July 30, 2025, $5.8 million
Built: 1931
Renovated: 2021
SF: 5,355
Dwelling units: 3
No. of buildings: 1
Class: Primarily Three Family With Store or Office (S3)
Floors: 4
HPD Ownership Registration Information
Last registered: 2025-12-05 (expires 2026-09-01)
David Sjauw
Head Officer
5 JMONTGOMERY PL Jericho, NY, 11753
128 Union Llc
Corporate Owner
5 MONTGOMERY PL Jericho, NY, 11753
The Management Women Llc
Agent
203 34 ST Brooklyn, NY, 11232
David Sjauw
Site Manager
Transactions:
• Court Square Real Estate Partners borrowed $5.8 million from Wells Fargo for 128 Union Street, 130 Union Street, and 126 Union Street, Columbia Waterfront, Brooklyn on July 30, 2025.
• Court Square Real Estate Partners borrowed $5.5 million from Bancorp Bank for 128 Union Street, 130 Union Street, and 126 Union Street, Columbia Waterfront, Brooklyn on January 04, 2023.
• Camille Sacco sold 128 Union Street, Cobble Hill, Brooklyn for $2.9 million to Court Square Real Estate Partners on September 03, 2021.
Development:
• David Sjauw filed plans for alteration in Columbia Waterfront, Brooklyn, on September 29, 2021.
• David Sjauw filed plans for alteration in Columbia Waterfront, Brooklyn, on September 29, 2021.
• Camille Sacco filed plans for alteration in Columbia Waterfront, Brooklyn, on July 13, 2007.