434 Amsterdam Avenue, Manhattan, NY 10024
434 Amsterdam Avenue is a 5-story, 37-unit residential building located in the Upper West Side, built in 1897 and currently owned by Willy Wiener. The property has experienced recurring pest issues, with multiple reports of rat sightings in 2024-2025 and ongoing rodent activity confirmed during inspections between 2024 and 2025. In addition to the rodent problems, there have been significant maintenance concerns, particularly in apartment B2, including multiple violations for pest infestations (specifically roaches and mice), plumbing issues with bathtubs, and wall maintenance problems.
The building has also faced compliance issues with various Building Code requirements, including violations related to emergency door repairs, wall painting, and other maintenance matters. There is an active violation regarding facade maintenance, specifically concerning window air conditioner support brackets issued in 2023. The Department of Buildings has recorded several complaints and violations over recent years, including electrical wiring concerns in 2023, unauthorized work in occupied multiple dwelling (OMD) settings, and issues with building permits.
The property has undergone multiple inspections and received various permits for maintenance and repair work, with the most recent permit issuance in 2025. While the building has had relatively few bedbug incidents, with only one reported case in 2023, the ongoing rodent problems and various maintenance violations are concerning. The building's management has received several fines and penalties for various violations, though many have been resolved or dismissed over time. Recent inspections have shown consistent rat activity, despite regular baiting efforts in 2025.
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Building Characteristics
| Total units | 37 |
|---|---|
| Year built | 1897 |
| Total area | 19976 sq ft |
| Floors | 5 |
| Tax Abatements | None |
| Building Class | NEW LAW TENEMENT |

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Key Building Statistics
Included Addresses
- 432 Amsterdam Ave, New York, NY 10024
- 434 Amsterdam Ave, New York, NY 10024
- 200 West 81st St, New York, NY 10024
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