Welcome to 4 Cardinal Lane ~ a beautifully expanded and thoughtfully updated home set on two private, level acres in one of Westport's most desirable cul-de-sac neighborhoods. Originally built in 1964 and enhanced with a significant 2015 addition, this 4-bedroom, 3.5 bath residence offers over 4,100 square feet of versatile living space designed for both everyday comfort and effortless entertaining. The layout blends classic charm with modern functionality, featuring sun-filled living spaces, a wood-burning fireplace, an office and seamless flow throughout. The standout "bungalow" addition creates a one-of-a-kind experience, complete with a bar and direct access to the patio, perfect for hosting gatherings year-round. Upstairs, the primary suite offers a peaceful retreat with a walk-in closet and well-appointed bath, while three additional bedrooms provide flexibility for family and guests. A partially finished basement adds more usable space, including a dedicated gym area. Outside, the expansive backyard is a rare find offering endless potential for outdoor living, play, or future enhancements. The patio extends the home's entertaining footprint, creating an ideal setting for dining and relaxing. Just minutes from Westport's top-rated schools, beaches, golf course, tennis and pickle courts, town center, and train this is a unique opportunity to own a spacious, move-in ready home with exceptional indoor-outdoor living and standout entertaining spaces in a coveted setting.