4320-4322 Balboa St, San Francisco, CA 94121

The Kwan Jim & Julia C H & Kwan-owned duplex property at 4320-4322 Balboa Street in the Outer Richmond has undergone several significant improvements since its construction in 1948. Most notably, in 2015, the building received substantial upgrades including the replacement of 11 windows, complete remodels of two bathrooms and kitchens, and significant electrical, plumbing, and mechanical improvements, with a total investment of $85,000. This work was followed by a complete re-roofing project in 2016 costing $11,500.

More recent infrastructure work includes the replacement of sewer pipes and house trap in December 2021, demonstrating ongoing maintenance of essential systems. The property has experienced recurring sewer-related issues, with multiple sewage backup incidents reported through 311 calls between 2012 and 2019, though these have typically been promptly addressed. A notable incident occurred in December 2016 involving marble cutting on the sidewalk that generated dust concerns, though this complaint is now listed as not active.

Recent maintenance issues include reports of overgrown trees (May 2024) and electrical infrastructure concerns (May 2022), indicating ongoing attention to exterior conditions. The building's major systems have received documented upgrades, including installation of new furnaces, water heaters, laundry sinks, and electrical improvements featuring comprehensive updates to lighting, switches, receptacles, and smoke detectors, with a 200-amp service upgrade in 2015. While there have been several graffiti incidents reported (most recently in 2021), these have been promptly addressed by city services.