21 Montrose Avenue, Brooklyn, NY 11206

21 Montrose Avenue, a 7-story, 30-unit residential building constructed in 2008 and owned by Jian Ye LLC, has experienced recurring issues with heat and water systems over the past few years. Most notably, there were heat and hot water complaints in both December 2024 (entire building) and February 2023 (apartment-specific), where HPD was unable to gain access for inspection.

The building has also faced water-related maintenance challenges, with documented slow leaks in 2021 and 2022 that resulted in violations, including specific issues in the kitchen ceiling of Apartment 503 as of October 2021. More recently, the building was cited for multiple open violations as of December 2024 regarding inadequate safety and information postings, including smoke detector requirements, carbon monoxide device requirements, and emergency procedures, though there is also an active ECB violation from December 2022 concerning the failure to submit an acceptable exterior wall inspection report. The property has undergone various inspections and addressed multiple compliance issues over the years, with recent bedbug reports (2025) showing no infestations.

Building documentation shows consistent efforts to address maintenance and compliance matters, including a passed rodent inspection in March 2024. Historical records indicate previous concerns with exterior maintenance and safety measures, including a 2023 ECB violation regarding cracked glazing on a second-floor window and multiple instances of late or incomplete benchmarking report submissions. While the building has experienced periodic maintenance challenges, recent bedbug reports and rodent inspections suggest improved conditions, though the persistence of heating system issues remains a notable concern.