400 Pennsylvania Ave, San Francisco, CA 94107

The 2-unit, 2-story multi-family residential building at 400 Pennsylvania Avenue in Potrero Hill, owned by Ruth A Johnson, has undergone significant maintenance and remediation work since 2009, with particular attention to deck safety and illegal unit removal. Most recently, in late 2023, the building received duct work upgrades ($5,000), while mid-2023 saw the relocation of a tankless water heater and deck repairs following a Notice of Violation (NOV). The property has a documented history of violations related to illegal unit status, with multiple inspections and enforcement actions between 2009 and 2014, all of which have been resolved.

These included electrical, plumbing, and structural issues that required careful monitoring and multiple permit revisions to ensure compliance. The building's maintenance record shows regular upkeep, including window replacement, roofing work, and various safety improvements. Key recent improvements include a complete reroofing project completed in 2022 ($52,832) and compliance work related to siding repairs, deck safety, and electrical systems.

The property has experienced recurring issues with permitting and compliance, particularly during the 2009-2014 period, but all recent violations (most notably from 2022) have been abated as of October 2023. Recent maintenance focuses on systems upgrades, including furnace replacement and duct work. The building has also generated several 311 calls in 2024, primarily related to street cleaning and parking enforcement, though these are external to the building itself and relate more to neighborhood conditions than specific building issues.