1111 WILLIAMS Boulevard A rare opportunity to own one of Springfield's most significant Mid-Century Modern residences. Designed in 1968 by acclaimed architect and University of Illinois professor Jack Sherman Baker, this exceptional home is ideally located overlooking Washington Park. Offering 4 bedrooms, 2 full bathrooms, 2 half bathrooms and approximately 4, 300 square feet of thoughtfully composed living space, the property sits on a double lot, blending architectural distinction with generous scale and setting. The home showcases clean horizontal lines, dramatic floor to ceiling windows, and an intentional interplay of form and structure. A 2007 addition seamlessly integrates a thoughtfully designed kitchen featuring terrazzo floors, quartz countertops, custom made cabinets and top of the line appliances. The main floor primary bedroom has a spa inspired ensuite and an elevated loft space, complete with its own outdoor access to a private upper-level terrace. Three additional bedrooms, a second story work/study area, and a lower level rec room enhance the home's versatility. The floating front deck and dedicated back patio extend the living space, creating natural settings for dining, entertaining or relaxing. The expanded lot creates a park-like setting rarely found in town while mature landscaping surrounds curated yard sculptures by Brother Mel Meyer adding artistic significance to this already remarkable property.