91 Mulberry Street, Manhattan, NY 10013
The five-story, 10-unit old law tenement building at 91 Mulberry Street, owned by Dennis Wong, has experienced several significant issues over recent years. Most notably, there are currently three active Department of Buildings violations from 2023 related to pressure system inspections, an open electrical issue regarding lighting from January 2025, and multiple rodent control measures being implemented throughout 2025, with some inspections showing rat activity.
The building has two active Environmental Control Board violations from 2022, one regarding obstructed exit passageways and another concerning unauthorized occupancy of commercial space as a residential unit, with penalties totaling $18,750. There was also a concerning building safety issue noted in 2020 regarding the roof cornice's deteriorated condition, which was eventually resolved. The property has maintained a consistent record of bedbug reporting compliance, with no documented infestations or treatments from 2019 through 2024, and all annual bedbug reports have been filed as required.
The building underwent inspections in 2024 and 2025 that revealed both compliance and failure conditions regarding rodent activity, suggesting ongoing pest management challenges. While some historical violations and safety concerns have been resolved, including those related to exterior maintenance and occupancy issues, the persistence of recent violations and open maintenance requests indicates ongoing administrative and maintenance challenges. The property has shown some responsiveness to violations, as evidenced by the resolution of certain issues, but the presence of multiple active violations as of 2023-2025 suggests ongoing compliance challenges.
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Building Characteristics
| Total units | 10 | 
|---|---|
| Year built | 1920 | 
| Total area | 8234 sq ft | 
| Floors | 5 | 
| Tax Abatements | None | 
| Building Class | OLD LAW TENEMENT | 

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