Lee Arden Thomas

In Bend, Oregon In Bend, Oregon, Thomas worked with local architect Hugh Thompson. Thomas designed the Bend Amateur Athletic Club (1918) and Old Bend High School (1925). Both use lava rock as foundation material laid out as uncut rubble.

Lee Thomas designed Redmond Union High School, "the largest and most impressive structure in all of Redmond". The $100,000 building was constructed by "famed Central Oregon contactors, Olson & Erickson" using about 400,000 bricks from the Bend brick yard and "served a district of over 500 square miles." A gymnasium was added by Freeman & Hayslip of Portland in 1944 "under the supervision of A.W. Manchester of Julius Johnson Construction, the gym was completed in January 1945."

The O. C. Henkle Building remains in use and plans are underway for its renovations.

Memorial Union

Thomas designed the Memorial Union (MU) on Oregon State University's (OSU) campus, said to be "one of the finest examples of Neoclassical architecture in Oregon."

The building is one of the most elaborate buildings in the area from the 1920s and is "one of the oldest extant Corvallis school buildings". It is a two-story brick building with wood framing, a high masonry foundation, and a full basement. "Only Corvallis' former Methodist Church South and the former Congregational Church '(currently, a National Register property)' are comparable in terms of style." McDonald Theatre in Eugene, Oregon; Portland, Oregon's Blue Mouse Theatre and Bagdad Theatre; The Bobwhite Theatre in Portland Oregon 1924, They also designed the Oriental Theater for George Weatherly next to the ice cream businessman's Weatherly Building.

Projects Weatherly Building and Oriental Theatre photographed as "Crystal Ice & Storage Co. Office & Theatre building", December 31, 1927 Bend Amateur Athletic Club Gymnasium (1918) J. C. Braly House (1926) Weatherly Building (1927) with Sutton & Whitney Oriental Theatre (1927) Memorial Union, Oregon State University (1927–1928)