421 Remsen Avenue, Brooklyn, NY 11212
The 15-unit, 3-story residential building at 421 Remsen Avenue in East Flatbush, owned by 421 Remsen LLC, has experienced recurring maintenance and safety issues since 2021. Most recently, in June 2025, there were multiple complaints regarding unsanitary conditions, including mold and garbage storage, along with heating system problems affecting the entire building. The building has a documented history of heat and hot water issues, with multiple complaints in 2024-2025, and sanitation concerns, particularly regarding garbage/recycling storage, with several violations issued between 2024 and 2025.
A significant cluster of violations emerged in 2021-2022 related to illegal occupancy of the cellar space, with multiple Environmental Control Board (ECB) violations still showing as active, including immediate penalties totaling $25,000 for improper occupancy contrary to the building's certificate of occupancy. The building also has ongoing DOB violations related to the failure to certify corrections of immediately hazardous conditions, with multiple violations dating from 2019 to 2023 remaining active. Regular inspections for pest control have shown no bedbug infestations in the past five years (2020-2025), but there were initial rat activity findings recorded in 2018, 2019, and 2020.
The building's maintenance history shows a pattern of unresolved issues requiring multiple complaints to address, including plumbing problems, heat failures, and various sanitation concerns. While some past violations have been resolved, including those from 2021 affecting apartment 3A, there are still significant outstanding issues that impact the current resident experience. The most recent violations as of 2025 include unresolved mold and heating system problems, suggesting ongoing maintenance challenges for the property management.
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Building Characteristics
Total units | 15 |
---|---|
Year built | 1965 |
Total area | 10752 sq ft |
Floors | 3 |
Tax Abatements | None |
Building Class | HEREAFTER ERECTED CLASS A |

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