4540 W Westchester Lane Sophisticated design, expansive living spaces, and exceptional functionality define this beautifully updated residence offering over 2, 900 square feet above grade PLUS an additional 1, 800 square feet in the finished basement. The heart of the home is the stunning, fully updated kitchen, thoughtfully designed with stainless steel appliances, custom cabinetry, a designer backsplash, and an oversized island-creating the perfect setting for both everyday living and elevated entertaining. The open-concept layout flows effortlessly into the main living areas. The impressive family room serves as a centerpiece, featuring a gas-start fireplace and generous proportions, offering a warm yet refined space ideal for hosting or unwinding in style. The main level showcases a full bathroom and an office that can easily function as a bedroom, providing versatility for guests, or a dedicated work-from-home retreat. Upstairs, the primary suite offers a spa-inspired experience, complete with a soaking tub, separate glass-enclosed shower, dual vanity, and elegant finishes. Three additional spacious bedrooms complete the upper level with comfort and style. The finished basement elevates the home even further, offering a 5th bedroom, additional bonus room, dry bar, and an expansive recreation space-perfectly suited for entertaining, a home theater, fitness area, or extended living. Outdoors, enjoy a beautifully designed brick paver patio, ideal for hosting, relaxing, and seamless indoor-outdoor living. This home delivers a rare blend of scale, sophistication, and location, designed to meet the needs of today's buyer. Located within the highly sought-after Oak Grove Elementary and Libertyville High School districts. Do not wait to call this "HOME"! ***Multiple offers received, Best & Final due by 4/13/26 by 8pm***