2445 Union St, San Francisco, CA 94123

2445 Union Street is a 12-unit, 3-story multi-family residential building constructed in 1924 in the Cow Hollow neighborhood. The property has undergone several significant system upgrades in recent years, including a 2024 modification to the fire alarm system to install low-frequency sounds in sleeping areas, and the installation of a new steam boiler in 2014 to replace a leaking unit.

The building has experienced some notable infrastructure challenges, particularly with its sewer system, experiencing multiple issues including a broken sewer line in 2009 that was leaking onto the sidewalk, which was subsequently repaired with a new cast iron sewer pipe installation. The building's maintenance history shows regular upkeep, including a roof replacement in 1996, termite repairs in 1991, and various plumbing and structural improvements. There have been recurring fire safety concerns, with the most recent fire alarm system issue reported and corrected in 2023, following similar problems in 2015 and 2007.

The property has also undergone multiple routine inspections and addressed several building violations over the years, including handrail installation requirements in 2000 and egress obstruction issues in 2008. Recent 311 calls from 2021-2024 primarily relate to street cleaning, parking enforcement, and general maintenance of exterior areas. While the building has faced various maintenance challenges over the years, records indicate that issues have generally been addressed through proper channels, with most violations being resolved and no active violations currently on record.