Welcome to Merestone III, a distinguished development situated on the border of Delaware and Pennsylvania, just minutes away from Hockessin and Kennett Square. This exceptional residence, a fully customized contemporary colonial boasting 5 bedrooms and 5 bathrooms, spans an expansive 6245 square feet of meticulously designed living space resting on 1.29 acres spanning two states. Originally crafted and owned by a local builder, the discerning eye will immediately appreciate the intricate details upon entering the grand foyer. The interior of the home showcases refined elements such as wainscotting, cathedral ceilings, and hardwood floors that seamlessly guide you through an open-concept architectural layout. Upon entering from the main foyer, you'll find a versatile space suitable for a professional office or nursery, accompanied by a powder room and a luxurious Main Level Primary Suite. The Primary Suite is adorned with a spacious walk-in closet and an updated bathroom featuring a seamless shower and a clawfoot soaking tub. Exiting the First Floor Primary Suite, you enter a generously sized family room, ideal for relaxation or entertaining guests. This inviting space boasts cathedral ceilings, built-in shelving cabinets, a gas fireplace with a stone hearth, and an abundance of natural light. Adjacent to the family room, a chef-inspired kitchen awaits, complete with stainless steel commercial appliances, including a Wolf range, an exhaust hood, ample granite countertops, extra cabinets, and a centrally positioned kitchen island. The custom design is further enhanced by an additional wet bar and a sitting area. Ascending the second stairway located in the kitchen, you'll discover four spacious bedrooms on the upper level. Continuing through the second level, a convenient upper-level laundry room and a versatile bonus room present various possibility, from a bedroom conversion to a craft or playroom. Descending from the balcony hallway into the fully finished basement, you encounter a home theatre area, a gym room, and a second powder room. Additional storage can be found within the utility room. Outside, the property features a recently resurfaced inground pool, an extensively hardscaped and landscaped rear yard, providing a picturesque setting for entertainment. Merestone III's prime location ensures proximity to White Clay Creek State Park, Hockessin, Kennett Square, and major transportation routes leading to Wilmington and Philadelphia. This residence offers an exquisite blend of comfort, functionality, and sophistication.