6023 5th Avenue, Brooklyn, NY 11220
6023 5th Avenue is a 4-story, 7-unit New Law tenement building constructed in 1927, currently owned by On Kwok. The building has experienced significant and recurring issues with heat and hot water over the past two years, particularly notable in the first half of 2025, with multiple complaints filed through HPD that inspectors were often unable to access units to verify conditions.
More recently, in May 2025, there were emergent plumbing water supply issues, alongside safety concerns regarding non-functional carbon monoxide and smoke detectors, and a door issue, though these were subsequently closed. The building has documented rodent activity during inspections in 2024, with compliance inspections indicating ongoing maintenance challenges. Recent housing maintenance violations from 2024 highlight several concerning conditions in apartment 3F, including hot water issues, carbon monoxide detector problems, lead paint concerns, electrical wiring issues, and required repairs to the intercom system.
The building also has a history of unaddressed inspection requests regarding illegal conversions between 2019-2024, though access was denied for all inspection attempts. While there have been no reported bedbug infestations in recent years (2019-2024), the persistence of various maintenance issues suggests ongoing difficulties with building upkeep and systems maintenance. The property's age and building type are typical for Sunset Park, but the frequency and variety of recent complaints indicate current challenges with basic infrastructure systems and safety compliance.
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Building Characteristics
Total units | 7 |
---|---|
Year built | 1927 |
Total area | 7200 sq ft |
Floors | 4 |
Tax Abatements | None |
Building Class | NEW LAW TENEMENT |

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Key Building Statistics
Included Addresses
- 6023 5th Ave, New York, NY 11220
- 501 61st St, New York, NY 11220
- 503 61st St, New York, NY 11220
- 505 61st St, New York, NY 11220
- 507 61st St, New York, NY 11220
- 509 61st St, New York, NY 11220
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