3151-3153 California St, San Francisco, CA 94115

The California Street Complex H is a three-story, 18-unit multi-family residential building located at 3151-3153 California Street in the Lower Pacific Heights neighborhood. Built in 1907, this apartment building has undergone several significant renovations and improvements over the years, with particular attention to safety and modernization. Most recently, in 2023, the building received an upgrade to its backflow prevention device assembly, indicating ongoing maintenance of critical systems.

The building completed its mandatory soft-story retrofit in 2016 (designated as Tier 2) to improve seismic safety, and underwent comprehensive fire system upgrades in 2017-2018, including the installation of new control panels, smoke detectors, and emergency notification systems throughout the building. The property's maintenance history shows attention to both structural and safety improvements, including the replacement of the steam heating boiler in 2016, installation of solar hot water systems in 2010, and various electrical upgrades. While there have been several building violations and complaints over the years, most of these were addressed and resolved in a timely manner.

Notable historical issues included ventilation problems in public halls (2001-2002), concerns about windows in common areas (2001), and a ceiling collapse incident in 1996, all of which were eventually remedied. More recent fire safety complaints from 2017-2024 have generally been found to have "No Merit" or were promptly corrected, suggesting improved responsiveness to safety issues. The building's documented history of 311 calls primarily relates to street and sidewalk maintenance, with a few parking-related complaints, but these do not directly impact resident safety or building conditions.