565 Onderdonk Avenue, Queens, NY 11385
The three-story, six-unit tenement building at 565 Onderdonk Avenue in Ridgewood, owned by Maria Mortillaro, has a history spanning several years of maintenance and service requests, with particular attention needed in recent years to plumbing and heating systems. Most notably, there have been recurring plumbing issues, with the most recent complaints in September 2024 regarding bathtub/shower and sink problems, following previous water supply issues in August 2023.
Between 2021-2022, there were multiple heating and hot water complaints, though some of these inspections resulted in no access being granted for verification. The building has also experienced various maintenance challenges, including unsanitary conditions and pest concerns in May 2022, and multiple infrastructure issues including problems with windows, floors, and ceilings during the same period. The building is currently facing a violation from September 2024 regarding the posting of heating system access information, though several other violations from that inspection were promptly addressed by December 2024, including requirements for carbon monoxide detector notices and gas leak procedures.
Historical records show a significant infrastructure modification in Unit 1L regarding a Celotex acoustic drop ceiling, which remains an open violation from 2019. However, more recent inspections have shown improvements in building conditions, with the most recent rodent inspection in September 2024 passing successfully. Importantly, the building has maintained a clean record regarding bedbug infestations, with no reported cases in any of the annual filings between 2019 and the present, suggesting effective pest management practices by the current ownership.
565 Onderdonk Avenue Report Contents
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Sign Up for Free565 Onderdonk AvenueBuilding Overview
Building Characteristics
Total units | 6 |
---|---|
Year built | 1930 |
Total area | 4500 sq ft |
Floors | 3 |
Tax Abatements | None |
Building Class | NEW LAW TENEMENT |

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