375-379 Union St, San Francisco, CA 94133

The property at 375-379 Union Street is a 5-unit multi-family residential building located in Telegraph Hill, owned by Pezet St LLC and built in 1915. The building underwent significant electrical upgrades in 2016, including a 400A service upgrade and rewiring of multiple units, along with the installation of a new 200-amp panel and 6-meter socket system. Three units were proposed to be developed as Additional Dwelling Units (ADUs) in 2018, with separate permits for the front and rear buildings to convert storage spaces into dwelling units including new kitchens and bathrooms, though these permits were ultimately cancelled.

The building's maintenance history includes a reroofing project completed in 2005. The property has experienced several maintenance and safety issues, though all have been resolved. In December 2005, a routine housing inspection identified multiple safety concerns, including the need for gas utility shutoff tools, gas meter instructional diagrams, and the recharging of fire extinguishers; these were all abated by February 2006.

More recently, in 2022, there was a reported issue with mold and mildew that was transferred to the Department of Public Health for resolution. The building has also experienced some basic infrastructure issues, including a sewage backup in 2017 and multiple instances of loose garbage that required city intervention. Recent inspection requests (as of 2025) and previous shared space concerns (2024) indicate ongoing attention to the building's external environment and infrastructure.