Sub4 Development is a fully integrated, diversified real estate development firm based in Champaign, Illinois. Specializing in planning, development, construction, and management, the company operates across various sectors including residential, commercial, and student housing projects. They generate revenue through development and general contracting services, often partnering with firms like Jackson Dearborn Partners and Green Street Realty. Key projects include student housing developments for the University of Illinois at Urbana-Champaign. The company emphasizes building quality products on time and fostering strong relationships.