Nestled on a breathtaking 12+ acre picturesque setting just outside the town limits of La Plata, 10060 Harmony Hill offers the perfect blend of luxury, privacy, and convenience - all with NO HOA! A long private driveway welcomes you to this custom estate surrounded by mature trees, peaceful wooded views, abundant wildlife including deer, and a charming front pond that can accommodate koi fish. Approximately 9 acres are currently enrolled in a forestry program offering valuable tax benefits. The stunning stone front sets the tone for the exceptional craftsmanship found throughout this Contemporary style home. Designed with both everyday comfort and entertaining in mind, this expansive floor plan features multiple living and gathering spaces, including a dining room, all-season sunroom, and spacious living room with a stone electric fireplace, vaulted ceilings, crown moulding, and impressive 10-foot ceilings. Additional features include insulated windows, a whole home Nuvo music system, and a whole home Nutone intercom system. The gourmet kitchen is a chef's dream, featuring premium stainless steel appliances including a Wolf gas range, Wolf double ovens, Sub-Zero refrigerator, and wine cooler - perfect for hosting unforgettable gatherings. The main level features three bedrooms, including two spacious suites offering exceptional flexibility for guest accommodations. The upper-level owner's suite boasts two oversized walk-in closets, heated bathroom floors, a spa-inspired bath with soaking tub, and a flex space/home office complete with custom built-ins and abundant storage. Two expansive storage areas running the length of the home provide exceptional additional space. The finished lower level features an open recreation room, wood-burning stove, dryer outlet, rough-in/ejector pump for a future wet bar, an additional bedroom/flex space, full bath, and approximately 1,300 square feet of unfinished space ready to become a home theater, gym, or additional living area. Additional highlights include a whole house propane generator, oversized laundry room, shed, playground that conveys, and a 32x32 oversized detached garage complete with a movie screen and surround sound - ideal for car enthusiasts, hobbyists, entertaining, RVs, boats, or recreational vehicles. Enjoy the serenity of this private wooded retreat while remaining just minutes from University of Maryland Charles Regional Medical Center, shopping, dining, schools, local theater, marinas, the Potomac River, and convenient commuter routes to Washington, DC, Virginia, and nearby military bases. This extraordinary property is truly one-of-a-kind and a must-see!