Welcome to 585 Crest Court, an exquisite mid-century modern gem nestled in the highly sought-after Whispering Oaks Neighborhood of Lake Forest. This custom-built home sits on an expansive .7 acre lot at the end of a quiet cul-de-sac. Designed by its original owner, a 1950 graduate of the Mies van der Rohe Architectural School at Illinois Institute of Technology, this residence embodies the principles of mid-century modernism. The home boasts impeccable terrazzo floors installed by the owner's renowned terrazzo contracting company, showcasing both beauty and durability. Step inside to be greeted by an open foyer with soaring ceilings, setting the tone for the spacious and sunlit rooms throughout. The living room features a stunning wall of windows, offering picturesque views of the front yard. The kitchen, with its southern exposure, provides a perfect backdrop for culinary endeavors with a center island, ample storage, and an eating area. The dining room is ideal for entertaining, complete with sliding doors that open to a balcony overlooking the private backyard. A cozy office/library, adorned with handsome wood bookcases, offers a tranquil retreat. The first-floor primary suite is thoughtfully separated from the other bedrooms, ensuring complete privacy. The primary bathroom is a masterpiece with an original stone tub/shower and a vanity true to mid-century design. Three additional spacious bedrooms share a compartmentalized hall bath, updated yet faithful to the home's original aesthetic. The lower level is a haven of versatility, featuring a family room with a wood-burning fireplace, a playroom, a trophy or craft room, and more-all with stunning terrazzo floors and natural wood built-ins. Additional amenities include a large storage room, a cedar closet, a full bathroom, a laundry room, and a workshop. Car enthusiasts and hobbyists will appreciate the two-plus car attached garage and an additional two-car detached garage, perfect for a sports car collection, boat, or other hobbies. The private backyard, framed by a perimeter of trees, offers ample space for outdoor activities and the potential to add a swimming pool. This is a rare opportunity to own a home of architectural significance, lovingly maintained and preserved. Come experience the timeless elegance and mid century charm of 585 Crest Court.