747 2nd Avenue, Manhattan, NY 10017
The 33-story, 269-unit building at 747 2nd Avenue in Murray Hill, owned by Wayne Ngai and constructed in 1972, has experienced several significant maintenance and safety issues in recent years. Most notably, the building has faced recurring heating system problems in 2025, with multiple complaints filed about inadequate heat and hot water, including both apartment-specific and building-wide issues in March and January 2025. There have been persistent indoor air quality concerns between 2023 and 2024, with multiple reports of chemical vapors and dust from construction work.
The property has documented maintenance violations primarily centered around Apartment 4J, with issues including non-compliant carbon monoxide and smoke detector systems, water leak problems, visible mold conditions, and door/frame concerns, though many of these violations were marked as closed following repairs. The building has also faced rodent control challenges, with multiple inspections showing rat activity between 2023 and 2025, though recent inspections in May 2025 passed compliance checks. More serious structural and safety concerns emerged in 2021, when inspections revealed the building was occupied without a valid certificate of occupancy, resulting in several Environmental Control Board violations and associated penalties, though these were ultimately resolved.
Recent construction work has prompted various safety-related complaints, including failure to post required tenant protection notices and construction rights information, leading to violations and fines in 2023-2024. The building's administrative records show consistent attempts to address maintenance issues, with multiple permits issued in recent years for various repairs and improvements. The property has maintained a clean record regarding bedbug infestations since 2019, with no reported cases in the last five inspection periods between 2019 and 2025.
747 2nd Avenue Report Contents
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Building Characteristics
| Total units | 269 |
|---|---|
| Year built | 1972 |
| Total area | 387761 sq ft |
| Floors | 33 |
| Tax Abatements | None |
| Building Class | HEREAFTER ERECTED CLASS A |

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Key Building Statistics
Included Addresses
- 747 2nd Ave, New York, NY 10017
- 749 2nd Ave, New York, NY 10017
- 751 2nd Ave, New York, NY 10017
- 753 2nd Ave, New York, NY 10017
- 755 2nd Ave, New York, NY 10017
- 757 2nd Ave, New York, NY 10017
- 759 2nd Ave, New York, NY 10017
- 237 East 40th St, New York, NY 10017
- 239 East 40th St, New York, NY 10017
- 241 East 40th St, New York, NY 10017
- 243 East 40th St, New York, NY 10017
- 242 East 41st St, New York, NY 10017
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