3 Hartshorne Drive Offered for the first time by its original owners, this exceptional home is beautifully set on 2 private acres, offering a rare blend of comfort, and peaceful seclusion. Create your own private retreat in the heart of highly desirable Millstone Township. This impressive 5-bedroom, 5 full and 2 half-bath residence combines spacious design with exceptional versatility, including an ensuite bedroom on the first floor perfect for multi-generational living or extended guests. The stunning center hall Colonial is ideally situated on a quiet cul-de-sac development framed by meticulously maintained, professionally landscape. Step into a grand two-story foyer and enjoy 9-foot ceilings throughout the main level. The expansive kitchen features rich maple cabinetry, a large center island, granite countertops 2 separate pantries, ideal for both everyday living and entertaining. The primary suite serves as a private sanctuary, complete with a generous sitting area, two large walk-in closets, and a beautifully appointed en-suite bath. Two additional bedrooms each offer private en-suite baths and ample closet space, while two more bedrooms share a well-designed Jack-and-Jill (princess) bath. The fully finished basement expands the home's living space even further, featuring a custom full bar, a full bathroom, and a dedicated storage area--perfect for recreation and entertaining. Step outside to your own private retreat, complete with a beautifully maintained inground pool--perfect for summer relaxation and entertaining--set within expansive, serene grounds. An invisible fence adds convenience and peace of mind for pet owners. Additional highlights include a newly replaced septic system (May 2026), efficient 2-zone air conditioning, a 16-zone sprinkler system to keep the grounds lush, and a whole-house generator for added comfort and peace of mind year-round. This extraordinary property truly offers space, style, and comfort in a serene setting.