Welcome to 18 Sound Beach Avenue-an exceptional 4-bedroom, 3.5-bathroom home currently undergoing construction, with completion expected by the end of May. Designed with modern elegance in mind, the exterior features white James Hardie siding, sleek black windows, and contemporary architectural lines. Step inside to an open-concept main level with white oak hardwood floors throughout. The modern kitchen offers a seamless flow into the dining and living spaces, complete with a unique serving window and large french doors leading to the expansive rear deck-perfect for indoor/outdoor entertaining. A stylish half bath is thoughtfully tucked between the kitchen and living room. Upstairs, discover a serene primary suite with an elegant bath featuring high-end finishes, plus two additional bedrooms and a full bath. The finished lower level includes a fourth bedroom with en-suite bath, laundry hookups, and an additional spacious room ideal for an office, playroom, or use the lower level as in-law suite! Enjoy spring and summer weather in the large beautifully landscaped backyard, overlooked by an oversized deck. Additional features include efficient gas heating, central air, on-demand hot water, and ample parking via a driveway to the rear yard. Located in sought-after Old Greenwich-just moments from top-rated schools, beaches, parks, and vibrant local amenities. Don’t miss this rare opportunity to own a luxurious, turnkey home in one of Connecticut’s most desirable neigh