1870 Jefferson St, San Francisco, CA 94123

The 1870 Jefferson Street building is a three-story, 18-unit multi-family residential property located in the Marina neighborhood, built in 1927 and currently owned by 1870 Jefferson Street LLC. The building has undergone several significant improvements to enhance safety and modernize systems, most notably completing a seismic retrofit in 2018 (Tier 4, CFC Issued) and upgrading fire safety systems in recent years, including the installation of low frequency sounders in 2021-2022 to meet current fire code requirements.

The building has experienced recurring water-related issues, with multiple plumbing problems documented between 2016-2017 affecting various units and common areas, though many of these have been addressed through proper permits and repairs. Historical building violations from 2001-2010 were resolved, including fire safety and maintenance issues, and while there is currently one active complaint from 2016 regarding work without permit, it remains to be fully resolved. The property's maintenance history shows attention to essential systems, including the installation of a new steam boiler (2014), water service replacement (2012), and various unit-specific renovations such as window replacements (2011) and kitchen remodels (2016).

Several historical problems have been documented through tenant complaints, including water leaks, window and plumbing issues, and interior surface concerns, though most have been addressed through appropriate repair permits. Recent years show regular responses to maintenance needs, particularly in 2021-2022, with multiple resolved service requests through Recology and other city services. The building's documentation reveals a pattern of ongoing maintenance and upgrades to meet current building codes and safety requirements, though some historical issues related to water damage and fire safety have required repeated attention.