3421-3425 23rd St, San Francisco, CA 94110

The three-story, 14-unit multi-family residential building at 3421-3425 23rd Street in San Francisco's Inner Mission, built in 1925, has undergone several significant improvements and faced multiple maintenance challenges over the years. Most notably, the building completed mandatory soft-story seismic retrofitting in 2018, with work classified as Tier 4 and including both commercial and residential components, demonstrating compliance with city safety requirements. Recent building violations from May 2023 indicate several pressing maintenance issues that require attention, including concerns about lead-based paint, damaged ceilings, building security systems, fire safety equipment, and window maintenance, all of which are currently classified as active violations.

The property has a documented history of fire safety concerns, with violations issued in September 2023 regarding alarm systems and fire extinguishers, though these violations were subsequently abated. A dental office conversion was completed in 2017, indicating adaptive reuse of space within the building. Recent 311 calls from late 2024 show ongoing issues with graffiti removal and discarded debris near the property, though these external maintenance matters were promptly addressed by city services.

The building's systems have received attention over the years, including boiler installation in 2012 and various roofing work in 2001. Multiple street space permits were issued between 2014-2019, suggesting regular coordination with city services, though these permits had minimal reported costs. The property's dual classification as both residential and commercial space is notable, with the ground floor housing medical services following a 2017 use change.