57 Leo St, San Francisco, CA 94112

The two-unit residential building at 57 Leo Street in Mission Terrace, owned by the Lisa Hang Fong Lau Chiu Rev trust, was constructed in 1987 following the demolition of a single-family dwelling in June 1986. This two-story flats and duplex building, completed under building permit number 8608270, has experienced several significant sewer-related issues over recent years.

In 2022 alone, there were two documented incidents of sewage backup through a 4-inch vent, occurring in April and June, both of which were resolved through fieldwork by PUC Sewer Operations. Earlier, in June 2021, there was a general service request related to the sewer system, along with an incident involving waste on the street or sidewalk that month.

The property's maintenance record includes a general cleaning incident involving loose garbage in June 2019, though this appears to be a street-level issue rather than a building-specific concern. While the building's documented history shows proper response to each incident, the recurring nature of sewer-related issues over the past few years may warrant attention to underlying infrastructure systems.