Welcome to 16261 Old Castle Rd - a stunning custom home situated on an extremely large and private lot located in the Hallsley community. The well-thought-out floor plan is designed to meet the needs of modern living offering an ideal blend of functionality and style. The first floor features a 1st floor bedroom complete with its own kitchenette and private full bath - perfect for guests or extended family stays, a private office, mudroom, and a spacious family room w/ wood burning fireplace and an expansive dining area. The custom chef's kitchen features cabinets that extend to the ceiling, a sink w/ windows above overlooking the private yard and an oversized island, ideal for both cooking and entertaining. Immediately off the kitchen you will find the screened porch w/vaulted ceiling leading you to a lower patio/grilling area. On the second floor you will find the luxurious owner's suite w/ a separate sitting area, private balcony, and a spa-like bathroom complete w/ a steam shower and separate soaking tub. There are 3 additional bedrooms, 2 full baths, laundry room, and a bonus room/optional 6th bedroom w/ a loft, offering extra space for a variety of uses. The unfinished 3rd floor has rough-ins for plumbing, making it easier for future expansion and a great way to gain additional value. Additional features include new garage doors (2023), new high ended Bosch dishwasher, fresh paint throughout, new light fixtures, updated mudroom, and extensive new landscaping on the side of the yard.