416-420 Oak St, San Francisco, CA 94102

The three-unit, three-story multi-family residential building at 416-420 Oak Street in Hayes Valley, owned by Mary Lopez, was constructed in 1900 and has undergone several significant renovations and improvements over the past two decades. Most notably, in 2017-2018, the property underwent substantial modernization including kitchen and bathroom remodels ($50,000), rear stair replacement ($15,000), and roof replacement ($12,000), along with the installation of new windows in 2005.

The building has maintained regular safety inspections, with the most recent routine safety inspection conducted by Housing Inspection Services in 2018. Historical records indicate some concerning incidents, including a significant electrical problem in 2001 involving sparks from the fuse box, though this issue was eventually resolved. In 2003, the building received multiple violations related to fire safety, including issues with fire extinguishers, gas meter instructions, combustible storage, and various fire safety requirements, all of which were abated by July 2003.

More recently, there have been several infrastructure-related incidents requiring attention, including a water main issue in July 2024 and a damaged streetlight pole in August 2024. The property has experienced recurring issues with street cleaning and debris removal, as evidenced by multiple 311 calls throughout 2024, though most of these were resolved promptly by city services. While there have been occasional fire safety concerns, including a CO detector activation with no CO detected, the building's systems have generally been maintained and updated over time, with all recent permits marked as completed or issued.