Set on a three hundred twenty-three-acre lot in Royal Marsh Estates, 10626 Cox Lane delivers four thousand fifty-three square feet of flexible living space with four bedrooms, five full bathrooms, four living areas, two dining areas, and a three-car rear-entry garage. Mature trees, a circular drive, and a covered front porch create a strong first impression, while hardwood floors, crown molding, and generous windows carry that warmth throughout the home. The vaulted family room stands out with rich wood paneling, exposed beams, skylights, and a stone fireplace, all opening through French doors to an expansive covered patio designed for year-round entertaining. The kitchen features granite counters, a gas cooktop, double ovens, custom cabinetry, and a wet bar flowing easily into both formal and casual dining spaces. A separate game room with tray ceiling lighting, built-ins, and space for a full-size pool table adds another gathering zone while a dedicated music studio with acoustic treatments and a private vocal booth offers true creative flexibility. An in-law suite floor plan provides privacy for guests; the primary suite includes a spa-style bathroom with dual vanities, a large walk-in shower with multiple heads, and a custom closet. Outdoors the heated gunite pool and spa with water feature anchor a private backyard retreat complete with multiple seating areas; an outdoor living center; and an additional covered hot tub area. Located near Marsh and Royal you are minutes from Northaven Trail, Northaven Park Preston Royal shopping and dining; roughly fifteen minutes to Love Field; with quick access to the Dallas North Tollway and Downtown. This one-of-a-kind property offers space character convenience in a prime North Dallas setting.