Superior Oil Company Building

550 S. Flower St., Los Angeles, California. County/parish: Los Angeles.

Added to the National Register of Historic Places February 28, 2003. NRIS 03000059.

1 contributing building.

Also known as:

Bank of California
Downtown Standard Hotel

From Wikipedia:

The Delphi Hotel is a 12-story hotel located at 550 S Flower St in Downtown Los Angeles in the marble-clad high-rise Superior Oil Company Building formerly the headquarters of the now defunct company, converted to The Standard Downtown LA hotel in 2002, then closed in 2020 and reopened in 2023 under its current name.

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National Park Service documentation: https://catalog.archives.gov/id/123859568