126 Union Street
Columbia Waterfront, Brooklyn
Parcel ID (BBL): 3003420015
Owner: Court Square Real Estate Partners
Debt: September 03, 2021, $5.4 million
Built: 1931
Renovated: 2022
SF: 2,460
Dwelling units: 2
No. of buildings: 1
Class: Primarily Two Family With Store or Office (S2)
Floors: 3
HPD Ownership Registration Information
Last registered: 2025-12-05 (expires 2026-09-01)
David Sjauw
Head Officer
5 MONTGOMERY PL Jericho, NY, 11753
126 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 $5.4 million from Edgewood Capital Advisors for 126 Union Street, 128 Union Street, and 130 Union Street, Cobble Hill, Brooklyn on September 03, 2021.
Development:
• David Sjauw filed plans for alteration in Columbia Waterfront, Brooklyn, on July 28, 2025.
• David Sjauw filed plans for alteration in Columbia Waterfront, Brooklyn, on October 07, 2022.
• Salvatore Lamboglia filed plans for alteration in Columbia Waterfront, Brooklyn, on November 05, 2021.
• Salvatore Lamboglia filed plans for alteration in Columbia Waterfront, Brooklyn, on November 01, 2021.
• David Sjauw filed plans for alteration in Columbia Waterfront, Brooklyn, on September 29, 2021.
Violations:
According to city public data, the properties have received $1,280 in ECB penalties and $1,330 in OATH penalties in the last year.