View a gallery of modular two story buildings designed and built by Modular Genius. ... at 888-420-1113 to discuss your two story modular building project further. ... two-story-modular-buildings-1.jpg · two-story-modular-buildings-2.jpg ... Choose from standard designs and floor plans (below), or view custom floor plan​ .... A good rule of thumb is that a suburban style commercial building has three times ... So a single story building of 2500 sq. ft. would fit comfortably on a q