3999 25th St, San Francisco, CA 94114

The property at 3999 25th Street in Noe Valley is a two-story, 4-unit multi-family residential building constructed in 1900, currently owned by Devon P Johnson and Jane Y Fang. The building has undergone significant modifications and improvements over the past several years, with the most substantial work occurring between 2020-2022. Recent major renovations include the conversion of the lower level and garage into two new ADUs (completed in 2020), comprehensive fire safety upgrades including the installation of 13R residential fire sprinklers in 2022, and electrical system improvements with new wiring installations completed in 2022 for units #1 and #2. The building has also undergone several structural and safety improvements, including chimney removals, rear deck modifications, and lateral retrofitting work to comply with AB-094 requirements.

The property had a history of building violations in 2001, primarily related to security and fire safety issues, including requirements for deadlatch locks, self-closing devices at exterior doors, and fire proofing repairs. However, all these violations were abated by March 2011. More recent plumbing and electrical work, including multiple kitchen and bathroom additions/renovations, has been carried out under proper permits, though some permits expired without completion before being reissued. The building's infrastructure has seen significant investment, with over $300,000 in permitted improvements since 2020, focusing on modernization and safety compliance.

Recent 311 calls from 2023-2024 have primarily concerned external issues such as sidewalk maintenance, parking violations, and general cleaning matters, which are typical for the neighborhood context. The property has undergone regular maintenance and improvements over the years, with the owners investing in both structural safety and modern amenities for the units. The building's current status shows proper attention to building codes and safety requirements, particularly with the recent fire sprinkler installation and comprehensive electrical upgrades. The historical violations and complaints from 2001 were resolved more than a decade ago, and recent improvements suggest a proactive approach to building maintenance and modernization by the current ownership.