1250 21st Ave, San Francisco, CA 94122

The Wong Trinh Family Trust owns this three-story, two-unit multi-family residential building located at 1250 21st Avenue in San Francisco's Central Sunset neighborhood. Built in 1986, the building's permit history shows significant activity in 1984, including completed permits for a new addition and alterations, along with revisions to replace part of the east side wall interior bearing. More recently, in 2017, there was an attempt to legalize a first-floor unit per Ordinance 43-14, but this permit was ultimately cancelled.

The property has experienced several maintenance and infrastructure issues over the past few years, with particular concern regarding sewer systems. There were two notable sewer-related incidents in 2017, including a sewage backup incident in November and a flooding issue in February 2021. The building's location has faced recurring challenges with parking-related disturbances, evidenced by multiple complaints between 2021-2022 regarding driveway blocking, though enforcement responses varied in their outcomes.

Other incidents include a noise complaint in March 2021 regarding amplified sound electronics, and various street cleaning and public works-related matters such as a 2017 report of human or animal waste. The property has undergone some community servicing interactions, including a 2019 request related to Jump Bike services, though this was not directly related to building conditions. While the building's permits indicate structural improvements were made in its early years, the more recent history shows attention required for both unit legalization efforts and recurring infrastructure maintenance issues.