Discover this beautifully maintained Mediterranean Spanish-style home tucked away on a quiet cul-de-sac in desirable McKinney. With 4 bedrooms, 2.5 baths, and a standout Casita or Accessory Dwelling Unit (ADU), this property offers rare flexibility and charm. The detached Casita is a true highlight! Featuring its own full kitchen, private laundry room, and a full bathroom with a small curb walk-in shower. Whether used for multigenerational living, a guest suite, rental income, or dedicated office or studio space, it adds incredible value and versatility. Inside the main home, you're welcomed into a spacious living room with soaring ceilings, accented by exposed wooden beams and classic Saltillo tile flooring, creating warmth and character throughout. The eat-in kitchen offers a cozy spot for casual dining, while an additional flexible room near the front of the home can function as a formal dining area, home office, media room, or playroom that can be daptable to your lifestyle. Step outside to enjoy a large private backyard, newly enclosed with a sturdy wooden fence, offering a peaceful setting for outdoor entertaining, gardening, or simply relaxing. The J-swing rear-facing garage adds curb appeal and privacy, with a 2-car capacity and built-in workbench for storage or hobby use. Located minutes from historic downtown McKinney, major commuter routes, and excellent schools, this home blends timeless style with modern functionality which is perfect for those needing space, flexibility, and character in one inviting package.