446 28th Ave, San Francisco, CA 94121

The three-story multi-family residential building at 446 28th Avenue in the Central Richmond neighborhood, owned by Nirmal Singh and Jasbir Kaur, was constructed in 1909 and contains two units. The property underwent significant renovations in 2008-2010, including major updates to both units' kitchens and bathrooms (costing $100,000), front entrance stair replacement, window modifications, and electrical/plumbing improvements throughout.

The building's safety features were addressed with the installation of a sprinkler system in 1992, and various maintenance issues were documented, including plaster repair and dry rot remediation in 1989. More recent history shows recurring sewer-related issues, with multiple sewage backup incidents reported through 2021, indicating potential ongoing plumbing system challenges.

The property had a significant shed-related violation in 2002 for an unauthorized structure exceeding 100 square feet, which was subsequently resolved. A notable property expansion project was completed in 1990-1991, involving horizontal addition and front elevation redesign, potentially increasing the building's living space. Infrastructure maintenance has been a recurring theme, with multiple 311 calls related to sewer issues, water leaks, and a damaged tree in recent years, though all these cases were officially resolved.