89 Seaman Avenue, Manhattan, NY 10034
The 5-story, 43-unit building at 89 Seaman Avenue in Inwood, built in 1930 and currently owned by Robert Raphael, has experienced numerous maintenance issues and violations in recent years. Most notably, between June 2025 and December 2024, there have been multiple concerning patterns of maintenance problems, including plumbing issues (toilets and steam pipes), water leaks, pest infestations, and various unsanitary conditions. The building is currently facing active ECB violations from 2022 related to unauthorized transient use (Illegal Hotel Rooms) in Apartment 2B, with fines totaling $10,000 for safety system deficiencies, including lack of sprinklers, fire alarms, and means of egress.
Additional recent violations include emergencies related to ceiling damage (paint/plaster), moisture/mold issues, and heating/hot water problems, particularly affecting Apartment C. The building has a history of concerning maintenance and code compliance issues dating back several years. Records show repeated problems with illegal conversions, building maintenance violations, and pest control challenges, including rodent activity as recently as April 2025.
Historic violations from 2018 involve unauthorized alterations to create additional dwelling units in the cellar, installation of laundry facilities, and various safety code violations, though many of these were resolved. The property has also faced challenges with water management, as evidenced by multiple 311 service requests regarding plumbing and moisture issues. Recent inspections and complaints suggest ongoing maintenance concerns, particularly with respect to water systems, pest control, and building safety systems. While there have been periods with fewer violations (such as 2021-2022), the pattern of recent service requests and violations suggests persistent maintenance and compliance challenges.
89 Seaman Avenue Report Contents
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Building Characteristics
Total units | 43 |
---|---|
Year built | 1930 |
Total area | 34830 sq ft |
Floors | 5 |
Tax Abatements | None |
Building Class | NEW LAW TENEMENT |

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Included Addresses
- 89 Seaman Ave, New York, NY 10034
- 91 Seaman Ave, New York, NY 10034
- 93 Seaman Ave, New York, NY 10034
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