[2] It opened in 1869, making it the first bank in what would become the State of Washington.

Bank CEO Mark Kajita is the third non-family president and CEO of the organization and was preceded by Baker Boyer's board chairman, Megan Clubb,[5] a descendant of bank founder Dorsey S. Baker.

In 2010, the bank closed its branch in Weston, Oregon.

[6] The bank building in Walla Walla, built c. 1910, was designed by the Beezer Brothers architectural office in Seattle.

[7] It is a seven-story office building with a colonnade of Ionic columns spanning the lower two floors at the front.