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

421 Bond Street, Brooklyn

421 Bond Street is a 3-story, 1-unit building in Carroll Gardens-Cobble Hill-Gowanus-Red Hook. NYC public records show 10 DOB complaints and 3 DOB violations associated with the building. The most recent DOB complaint was filed January 28, 2026.

This building has 5 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.

• 423 Bond Street
• 425 Bond Street
• 427 Bond Street
• 429 Bond Street
• 431 Bond Street

This building ranks in the top 10% for DOB complaints and top 26% for DOB violations.

Public records

• DOB complaints 10
• DOB violations 3
• HPD violations 0
• Bedbug reports 0
• 311 requests 0
• Residential units 0