721 Union Street, Brooklyn, NY 11215

721 Union Street, a 4-story, 8-unit old law tenement building built in 1920 in Park Slope, is currently owned by Michael Ameno. The building has experienced persistent maintenance issues over recent years, with the most pressing current concern being an ongoing rodent problem, with inspections in 2025 showing consistent rat activity and recent health department violations in May 2025. The property has a notable history of heat and hot water issues, with multiple emergency complaints filed between 2020 and 2025, though records indicate that systems were typically restored by the time inspectors arrived.

The building's maintenance history shows regular compliance with bedbug reporting requirements, with no recorded infestations from 2020 through late 2024. There were also two violations in 2018 regarding window guards and self-closing doors in apartment 4L that were subsequently addressed. The property has undergone several inspections and responses from various city agencies, including multiple Housing Preservation and Development (HPD) inspections and Department of Health and Mental Hygiene (DOHMH) interventions.

While some quality of life issues have been documented, including smoking violations and pest-related complaints, the building appears to have addressed most past violations as evidenced by their closed status. The most recent bedbug reports from 2024 show zero infested units, suggesting effective pest management in this area. An illegal hotel room complaint from 2019 was closed when inspectors were unable to gain access. The building's rodent issues, however, stand out as the most significant ongoing maintenance challenge, with multiple inspections showing continued activity despite various interventions including bait applications and follow-up inspections.