643 Flatbush Avenue, Brooklyn, NY 11225

643 Flatbush Avenue is a 4-story, 8-unit New Law Tenement building constructed in 1931, currently owned by Wolf Sicherman. The building has experienced recurring issues with heat and hot water systems throughout 2024, with multiple complaints in November and December reporting no service to the entire building. Of particular concern is a December 2024 incident where a hazardous carbon monoxide issue was identified with the boiler system, showing 40 PPM levels inside apartment 4A, which resulted in a $1,250 violation penalty.

Additional safety concerns include carbon monoxide detector issues in November 2024, with violations issued by HPD. The building has also faced various maintenance issues, including plumbing problems (bathtub/shower and heavy water leak) in December 2024, and unsanitary conditions such as mold that were reported and addressed in July 2024. Earlier inspection records from apartment 1A (2022-2024) reveal several maintenance issues, including broken tiles, electrical problems, and various fixture repairs that were subsequently addressed.

The building's history shows relatively few bedbug reports, with only one documented case in 2019, and no reported infestations in the past five reporting periods. A vibration/structural stability complaint was filed in December 2022 but was rescinded in May 2023. The most recent complaints and violations indicate ongoing concerns with building systems and safety equipment that require attention, particularly regarding the heating system and carbon monoxide safety systems, though many previous violations have been properly certified as corrected.