45 Martense Street, Brooklyn, NY 11226
45 Martense Street is a 6-story, 66-unit residential building constructed in 1937, currently owned by Maria Valente. The property has experienced recurring maintenance issues in recent years, with the most significant concerns occurring in early 2025 involving multiple mold complaints that were classified as emergencies, along with pest and cabinet issues. The building underwent a notable cluster of violations in 2024, particularly affecting apartment 3B, where problems with cabinets, flooring, and an insect infestation were documented.
Safety systems were also a concern, with violations related to smoke and carbon monoxide detectors. The building's infrastructure has faced scrutiny, with documented issues including electrical problems throughout 2023-2024, and external facade concerns evidenced by multiple Environmental Control Board violations in 2024 noting masonry problems on various exposures, particularly at the parapet level. Recent inspections and complaints indicate ongoing maintenance challenges, including three emergency mold complaints and pest issues in early 2025.
While the building has generally maintained compliance with bedbug regulations, showing no infestations since at least 2020, and passed rodent inspections in 2018 and 2023, the frequency of recent complaints suggests persistent maintenance concerns. The property has experienced multiple inspection access issues, with inspectors stating they were unable to complete inspections in several instances, including recent mold and cabinet complaints in 2025. Notably, there was a temporary vacate order in late 2023-2024 regarding unsafe conditions at the north elevation external courtyard. While some violations have been resolved, including those related to smoke detector issues and interior repairs, the building continues to receive new complaints requiring attention, particularly concerning water intrusion and sanitation issues.
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Building Characteristics
Total units | 66 |
---|---|
Year built | 1937 |
Total area | 75312 sq ft |
Floors | 6 |
Tax Abatements | None |
Building Class | HEREAFTER ERECTED CLASS A |

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Key Building Statistics
Included Addresses
- 41 Martense St, New York, NY 11226
- 43 Martense St, New York, NY 11226
- 45 Martense St, New York, NY 11226
- 47 Martense St, New York, NY 11226
- 49 Martense St, New York, NY 11226
- 51 Martense St, New York, NY 11226
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