462-464 34th Ave, San Francisco, CA 94121

This two-unit multi-family residential building, located at 462-464 34th Avenue in San Francisco's Outer Richmond neighborhood, was built in 1924 and is currently owned by Xu Yuanyuan. The property underwent significant modifications and improvements over the past decade, most notably the legalization of ground floor units in 2016, which added two bedrooms and two bathrooms.

Subsequent improvements included the installation of a comprehensive fire sprinkler system in 2020 (cost: $17,473), followed by additional fire safety upgrades in 2021, including a sprinkler monitoring system and smoke detectors. The building experienced some permit compliance issues in 2012 related to unpermitted plumbing and mechanical work, particularly concerning furnaces and water heaters, which were resolved by June 2012 through proper permitting and inspections. Recent improvements to the property have focused on safety and system upgrades, including new furnace and water heater installations in 2021 (completed with proper permits), kitchen rewiring, and various plumbing upgrades.

The building's electrical system received attention in 2012 with a service upgrade to 150 amps and three meters, and more recent electrical work in 2021 included the installation of a sprinkler monitoring system and associated electrical components. The property management has been proactive in addressing maintenance issues, as evidenced by prompt responses to 311 calls, though there have been some minor exterior maintenance violations in the past, such as uncontained paint removal in 2011. The most recent documented structural changes include modifications to the front hall and utility systems in 2020, demonstrating ongoing improvements to the building's infrastructure.