The mobile work platform is a collapsible frame assembly that can support tools, supplies, and workers. The collapsible frame involves two distinct embodiments wherein a first embodiment involves a frame assembly that simply folds flat when not in use, and a second embodiment involves a rotating ladder assembly in conjunction with a frame assembly that can fold flat when not in use. Both embodiments include ladder rungs upon each side to enable climbing upon said device as well as removable scaffolds.