Legal 4-unit property in South Chicago featuring a rare, self-contained ADU - and an outstanding investment opportunity! The main building offers a 3-bedroom/1-bath on the first floor and two 2-bedroom/1-bath units on the upper floors, each with a full living room, dining room, kitchen, and pantry. The 2nd floor unit was fully rehabbed in 2025. All units are separately metered, keeping operating costs low for the owner. The ADU features its own entrance, full basement, updated electric and plumbing, a furnace under 4 years old, and laundry hookup - a truly turnkey additional income stream that is hard to come by in this market. Additional features include a 3-story rear deck, entertainer's concrete pad, alley-access exterior parking, modern green siding, and a front deck makeover currently pending city approval. Major mechanicals include a 2018 HVAC, 2010 roof, and insulated attic. Most appliances are included. Ideally suited for investors seeking strong rental income or owner-occupants looking to house hack. Located less than 5 minutes from the Quantum Computing & Microelectronics Park, Lake Shore Drive, I-90, and the Chicago Skyway. Walking distance to Bessemer Park, the South Chicago Branch Public Library, and everyday shopping and dining.