6324 4th Avenue, Brooklyn, NY 11220

The 21-unit residential building at 6324 4th Avenue in Sunset Park is a 4-story tenement constructed in 1915 and currently owned by Jacqueline Arroyo. The building has experienced several significant maintenance issues in recent years, particularly regarding heat and water systems, with the most recent heat/hot water complaint filed in February 2025. Multiple violations were issued in August 2024, including concerns about fire escape functionality, door latches, and rodent infestation in Apartment B5.

The property has a concerning history of safety-related violations, with recent emergency complaints regarding smoke and carbon monoxide detectors in March 2025, though these were subsequently closed. The building's structure has faced various challenges, including multiple active ECB violations related to fire escape obstructions, masonry damage, and boiler issues, with penalties totaling over $25,000. These building systems problems have persisted over time, as evidenced by multiple violations for failing to certify corrections of immediately hazardous conditions dating back to 2019.

Inspection records indicate recurring issues with pests, as evidenced by multiple sanitation violations in 2024, though more recent bedbug reports from 2023-2025 show no current infestations. The building has also faced challenges with basic infrastructure systems, including power outages, plumbing issues, and problems with various building materials such as flooring and plaster. While the Department of Buildings has conducted multiple inspections and issued various violations over the years, including for illegal conversions and structural concerns, the property has generally maintained basic rodent control compliance, with some inspections showing rat activity between 2016 and 2022. The building's maintenance history suggests ongoing challenges with building systems and infrastructure, particularly regarding timely repairs and compliance with safety requirements, though recent inspections and violation resolutions indicate some improvements in response to regulatory oversight.