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

343 Court Street, Brooklyn

343 Court Street is a 2-story, 2-unit building in Carroll Gardens-Cobble Hill-Gowanus-Red Hook. NYC public records show 3 DOB complaints and 31 DOB violations associated with the building. The most recent DOB complaint was filed July 7, 2026. Public sale records were identified for 4 units.

This building has 8 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.

• 339 Court Street
• 341 Court Street
• 301 Union Street
• 303 Union Street
• 305 Union Street
• 307 Union Street
• 309 Union Street
• 311 Union Street

This building is the 139th most valuable building in Carroll Gardens-Cobble Hill-Gowanus-Red Hook and the 19,944th in New York. It ranks in the top 32% for DOB complaints and top 4% for DOB violations.

Public records

• DOB complaints 3
• DOB violations 31
• HPD violations 0
• Bedbug reports 0
• 311 requests 0
• Residential units 4 $7,542,525 last recorded sales