309 Hancock Street, Brooklyn, NY 11216
309 Hancock Street is a four-story, 4-unit residential building constructed in 1900, currently owned by Gerald Coulthurst. The property has experienced recurring maintenance issues over the past several years, with the most recent concerns centering around structural stability.
In June 2025, the building underwent monitoring for shaking/vibrating issues, resulting in an active DOB violation requiring sidewalk protection and an engineering report regarding facade disrepair. The building has had persistent plumbing problems, particularly with sink/basin issues, as evidenced by multiple HPD complaints and violations between 2020-2021. Notable violations attributed to Apartment 3 from August 2021 include required repairs to the kitchen sink, countertop, cabinet, and various surface issues, along with a bedbug report violation that remains open as of early 2024.
Historical complaint data shows various maintenance issues between 2018-2021, including problems with flooring, doors, unsanitary conditions (including mold), and walls. However, the building has maintained good rodent inspection results since 2018, consistently passing all inspections. Recent structural concerns marked by 2025 complaints and violations represent the building's most significant contemporary issues, suggesting potential safety considerations for residents.
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Building Characteristics
Total units | 4 |
---|---|
Year built | 1900 |
Total area | 4000 sq ft |
Floors | 4 |
Tax Abatements | None |
Building Class | OLD LAW TENEMENT |

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