4811 5th Avenue, Brooklyn, NY 11220

4811 5th Avenue is a 4-story, 6-unit residential building located in Sunset Park, Brooklyn, and was constructed in 1924. The property has experienced numerous maintenance and safety issues over recent years, with the most acute concerns emerging in 2025 involving emergency violations for mold, plumbing/water supply problems, and multiple safety-related infractions including issues with smoke and carbon monoxide detectors. The building has a documented history of problematic conditions, with at least five unsanitary condition complaints in 2024 alone, including mold and pest-related issues, though not all inspections resulted in violations.

A particularly concerning pattern has emerged around water-related issues, with both slow leaks and emergency plumbing complaints documented through 2025. The building's infrastructure has faced significant scrutiny, particularly regarding safety systems. Recent violations include concerns about smoke detector functionality and fire escape access.

There have also been multiple rodent inspections showing rat activity as recently as February 2024. The Department of Buildings records show persistent issues with building maintenance compliance, including three open violations from 2019 related to immediately hazardous conditions which have not been certified as corrected. The property has a documented history of gas-related violations from 2018, with active ECB violations for illegal gas piping installations and other related safety concerns. Despite these ongoing issues, the building's bedbug reporting history is relatively clean, showing no infestations in the most recent reports from 2024 and 2025, though there was one documented case in 2020-2021.