Step into a piece of South Dakota history at the iconic C.B. Kennedy Mansion, a National Register Colonial Revival masterpiece completed in 1917. Situated on over two picturesque acres, this remarkable estate seamlessly blends timeless elegance, rich history, and modern livability. Offering over 5,000 finished square feet, plus an additional 2,000+ square feet of unfinished attic space ready for your vision, this one-of-a-kind residence showcases the craftsmanship and architectural details rarely found today. From the stately brick fa?ade and sweeping wraparound porch to the grand octagonal foyer, quarter-sawn oak floors, original millwork, and stunning woodwork throughout, every room tells a story. Designed for both grand entertaining and everyday living, the massive formal dining room comfortably hosts gatherings of 20 or more. The original butler's pantry adds sophistication and functionality, seamlessly connecting the dining room and kitchen while preserving the home's historic character. Multiple gathering spaces throughout the main level include a welcoming living room, a classic billiard room perfect for entertaining, and not one but two sunrooms filled with natural light-ideal for morning coffee, afternoon reading, or simply taking in the beauty of the surrounding grounds. As you ascend the grand staircase, you'll be greeted by a charming window seat landing that invites you to pause and appreciate the home's timeless beauty. The second floor offers six spacious bedrooms, each filled with unique character and architectural charm, providing ample space for family, guests, or creative use. Built as the crowning achievement of Cornelius B. Kennedy's extraordinary legacy in banking, law, real estate, and public utilities, this historic residence remains one of the finest and most recognizable homes in southeastern South Dakota. A rare opportunity to own a true landmark property where history, character, architectural significance, and endless possibilities come together.