Résumé

Principal, Charles Temple Diamond, Architect, Spokane, WA, c. 1906. In 1906, Diamond had an office in Room #418 of the Lindelle Building. (See R.L. Polk and Company's Spokane, Washington, City Directory, 1906, p. 799.)

Principal, Charles Temple Diamond, Architect, Astoria, OR, c. 1919-1921;

Principal, Charles Temple Diamond, Architect, Portland, OR, c. 1927-1935;

Principal, Charles Temple Diamond, Architect, McMinnville, OR, c. 1952;

Diamond must have been in practice for a significant period before 1919, as he was "grandfathered" into architectural registration when it was mandated by the Oregon State Legislature that year. He received Oregon Architect License #0100.