Maybeck’s masterpiece is an Arts & Crafts fusion of Romanesque, early Christian, Gothic, and Japanese architectural influences. Constructed with common industrial materials—metal, concrete, and glass—the design expresses permanence and integrity in design and structure. Massive diagonally crossed wood trusses supported by four fluted concrete columns allow unobstructed views from the congregation to the Reader stands. Skylights, translucent hammered glass window walls, and indirect lighting create a connection between the interior space and the adjacent landscape. The Sunday School along the eastern side of the main church was added in 1929 by Maybeck in association with Henry Gutterson.