Welcome to 4100 Diorite Ct, where luxury meets lifestyle. Tucked away on a peaceful cul-de-sac in one of Antioch's most desirable neighborhoods, this stunning two-story residence offers 4BRs, 3BAs, and 3,180 SqFt of thoughtfully designed living space, paired with a backyard retreat today's buyers dream about. Step inside and experience an abundance of natural light pouring through expansive windows and soaring ceilings, creating a warm and inviting atmosphere throughout. Beautiful stone-finished flooring anchors the main level, while the open-concept layout seamlessly connects the living spaces for both everyday comfort and effortless entertaining. The spacious family room with fireplace flows directly into the chef's kitchen, featuring quality appliances, a large center island, and a design that keeps you connected to every conversation. Upstairs, all bedrooms feature plush wall-to-wall carpeting for a soft, quiet retreat. The primary suite is designed for relaxation, complete with a walk-in closet and a spa-inspired ensuite featuring an overhead rain shower. Step outside to your own resort-style backyard oasis, where a sparkling swimming pool and jacuzzi invite you to unwind under the sun, while mature fruit trees add charm and convenience to outdoor living. The home also features a fully installed solar energy system for significant energy savings and sustainability, along with an EV charging outlet for modern convenience. Ideally located just minutes from shopping, dining, and everyday amenities, with convenient access to Highway 680 for an easy commute to Walnut Creek, Pleasanton, San Jose, and San Francisco.