442-444 31st Ave, San Francisco, CA 94121

The three-unit multi-family residential building at 442-444 31st Avenue in San Francisco's Central Richmond neighborhood is a 2-story flats and duplex structure dating back to 1912, currently held in the Carolan Family Trust-bypass. The building's maintenance history reveals several significant structural and plumbing issues over the past decades. Most notably, in 2001, there was a serious plumbing problem when sewage backed into an apartment during clogs or heavy rainfall, attributed to drainage issues with the building's sewer pipe.

The rear deck has been a recurring maintenance concern, with documented dry rot repairs needed in both 1993 and 1996, and an active housing complaint in 1996 regarding a deteriorated porch presenting possible collapse risks. Earlier improvements included interior renovations in 1991, with removal of lath plaster, insulation installation, and sheetrock work, along with window replacements in the front of the building. The most recent building-related activity includes a completed gas piping repair in February 2014, suggesting ongoing attention to the property's infrastructure.

The building has experienced various minor neighborhood issues as recorded in 311 calls, including recent noise complaints and street cleaning matters, none of which appear directly related to the building's structural or systems integrity. While many of the historical complaints have been resolved or closed, it is worth noting that the active housing complaint from 1996 regarding the rotten porch remains of concern, though this may be due to the age of the records rather than indicating ongoing issues. The property's permit history shows regular maintenance work being performed, though the pattern of repeated repairs to the rear deck suggests this has been a persistent maintenance challenge.