Lark Hall is located at 1501 Mendocino Avenue, Santa Rosa, CA 95401, in the Junior College neighborhood of Santa Rosa
Two departments are housed in Lark Hall (1979) - Agriculture/Natural Resources and Earth Science. For each, there is an office complex, laboratories and a central preparation room. Accompanying the facilities for agriculture is a greenhouse. A planetarium accompanies the accommodations for Earth Science. Two large lecture rooms are shared with the campus at large when not in use by the occupying departments.