In the early hours of Wednesday, November 11, 2026, a major fire erupted at “Building 500”—an abandoned warehouse located within the former US Navy shipyard in the Hunters Point neighborhood of San Francisco, California—resulting in the complete collapse of the structure.
The exact cause of the fire remains unknown, and investigations are ongoing.
The building was unoccupied at the time of the incident, and no hazardous materials were stored inside.
Firefighters encountered issues with water pressure, and a specialized radiation response team was also dispatched to the scene.
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Experts have estimated the damage at approximately $5 million, following the collapse of a major portion of the historic building dating back to World War II.