Trustee Building is a historic four story building located at 340 S. Broadway in the Broadway Theater District in the historic core of downtown Los Angeles.

It was built in 1905[1] and originally housed financial institutions.

[2] On November 6, 1939, the Trustee Building's northern-adjacent neighbor caught fire, with the Los Angeles Fire Department using the Trustee Building to help respond.

[3] In 1979, the Broadway Theater and Commercial District was added to the National Register of Historic Places, with Trustee Building listed as a contributing property in the district.

[4] Trustee Building is made of brick and concrete on a steel frame with a tiled facade.