Brooklyn · Carroll Gardens-Cobble Hill-Gowanus-Red Hook · Public building report

439 Columbia Street, Brooklyn

439 Columbia Street is a 3-story, 3-unit mixed-use building in Carroll Gardens-Cobble Hill-Gowanus-Red Hook. NYC public records show 34 DOB complaints, 14 DOB violations and 26 HPD violations associated with the building. The most recent DOB complaint was filed September 22, 2025.

This building has 4 alternative addresses. ? NYC often lists more than one street address for the same building. Corner lots, multiple street frontages, and official aliases in city address files all map to one BIN.

• 1 West 9 Street
• 3 West 9 Street
• 5 West 9 Street
• 7 West 9 Street

This building ranks in the top 2% for DOB complaints, top 10% for DOB violations and top 8% for HPD violations.

Public records

• DOB complaints 34
• DOB violations 14
• HPD violations 26
• Bedbug reports 0
• 311 requests 0
• Residential units 0