3424-3426 21st St, San Francisco, CA 94110

This two-story, five-unit multi-family residential building, located at 3424-3426 21st Street in the Eureka Valley/Dolores Heights neighborhood, was built in 1904 and has undergone several significant improvements in recent years. The property successfully completed its mandatory seismic retrofit requirements as a Tier 3 soft-story building, demonstrating compliance with current safety standards. Most notably, the building received a comprehensive fire alarm system upgrade in 2024 to meet San Francisco Fire Code requirements, including the installation of low-frequency sounders in sleeping areas.

Recent maintenance work includes a sewer pipe replacement at the curb in 2022, while the building has seen various unit-specific improvements, such as a 2018 kitchen and bathroom remodel and electrical upgrades. The building has a history of addressing maintenance and safety concerns, with several significant repairs completed between 2002 and 2018. These include foundation work in 2004, window replacements in 2006-2008, and a comprehensive unit improvement project in 2018.

While there were multiple building violations recorded in 2002 related to fire safety, stairs, and handrails, all these issues were resolved by May 2002. More recently, there was a fire alarm system complaint in 2024 that was promptly corrected. The property has experienced some infrastructure challenges, as evidenced by a sewage backup discharge in December 2024, though this was also resolved. Regular routine inspections by Housing Inspection Services have been conducted, with the most recent occurring in 2014, and the building's maintenance record shows consistent attention to both basic upkeep and modern safety requirements over the years.