3737 Nassau Drive Exquisitely maintained single-owner Darling Home in the prestigious Stonegate community, offering a rare blend of architectural elegance, premium upgrades, and a highly sought-after multigenerational floor plan. Built in 2019, this 5-bed, 4.5-bath residence showcases refined craftsmanship, soaring ceilings, abundant natural light, and thoughtfully designed spaces ideal for both everyday living and elevated entertaining. The main level features a serene primary suite plus a beautifully appointed guest suite with its own private ensuite bathroom-a premium layout rarely found in this neighborhood and perfect for extended family or long-term guests. Upstairs, one of the three secondary bedrooms also includes a full ensuite bathroom, providing exceptional privacy and flexibility. A spacious game room and a dedicated media room create a true entertainment wing, ideal for movie nights, gatherings, or separate activity zones. The kitchen impresses with a large island, granite countertops, built-in gas range, double ovens, walk-in pantry, and extensive cabinetry. The open-concept living area features a gas fireplace, elegant finishes, and seamless flow to the dining spaces. Energy-efficient enhancements include a tankless water heater, radiant barrier attic insulation, smart-home features, and high-performance HVAC systems-delivering year-round comfort and reduced utility costs. Outdoors, the covered patio offers a tranquil retreat for morning coffee or evening relaxation, surrounded by a beautifully landscaped yard with full sprinkler system. Situated on a corner lot within a vibrant community featuring parks and sidewalks, this home is zoned to top-rated Coppell ISD schools and offers quick access to major commuter routes, DFW Airport, shopping, dining, and corporate campuses. A rare opportunity to own a premium Darling Home with dual ensuites, exceptional design, and unmatched convenience in one of Irving's most desirable neighborhoods.