Extraordinary Private Estate on 5 Fully Fenced Acres: Experience the rare combination of luxury living, resort-style amenities, and exceptional equestrian potential in this remarkable approximately 12,000-square-foot estate set on 5 beautifully maintained, fully fenced acres. Designed for both grand entertaining and comfortable everyday living, this one-of-a-kind property offers unmatched space, versatility, and privacy. Originally designed as a horse property, the estate features a 3-stall barn with concrete floor and hayloft, riding ring, pasture area, and electric wiring throughout all 5 acres. With 8 access gates, a gated front entrance with dual remote-controlled gates, and expansive open grounds accented by groomed tree-lined areas, the property is as functional as it is stunning. The riding ring also offers exciting flexibility and may be converted into a sports court or private tennis court. The southern exposure residence itself showcases 6 bedrooms and 6 bathrooms, including 4 master bedrooms, making it ideal for multigenerational living, guests, or luxurious private suites. Inside, youll find an open floor plan, soaring ceilings, oversized 8-foot interior doors, wide hallways, and elegant finishes throughout, including fine trim work, recessed lighting, and cove lighting in recessed ceilings. Comfort and privacy are elevated by sound insulation between bedroom and bathroom walls, select floors, and insulated solid doors. This home is exceptionally well-equipped for modern living with two kitchens, three laundry rooms, an exercise room, game room, built-in bar with sink, plumbing, and TV near the pool, two fireplaces, and a 4-stop, 2-door elevator providing convenient access throughout the home. The luxurious primary bath features a steam shower, while two master baths include air tubs for spa-like relaxation. Step outside and enjoy a true private retreat. The grounds are enhanced by landscape lighting throughout the front and back acreage, multiple decks, an outdoor kitchen, and an outdoor shower. Relax by the in-ground heated saltwater pool and deck, complemented by wiring already in place for a future hot tub. A 1/8-acre vegetable garden with a 10-foot chain link fence and double gate adds both charm and functionality, while an array of fruit treesapple, peach, cherry, pear, and nectarinebring beauty and abundance to the landscape. Mature Crape myrtles line the front of the property, creating a memorable first impression. Built with long-term efficiency and resilience in mind, the estate includes an owned hybrid 28.8 kW solar system, offering the ability to sell power back while also providing off-grid capability, along with an owned generator and 1,000-gallon underground propane tank. The property is supported by 800 amp electrical service, three HVAC systems including one geothermal system, energy-efficient windows and doors, and a long list of substantial infrastructure upgrades, including new water heaters, new water filter and softener systems, new water main, new well pump, and updated septic components. The average monthly electric bill is approximately $200. Car enthusiasts and hobbyists will appreciate the oversized climate-controlled 4-car garage with drive-through access and tall, wide doors for oversized vehicles or equipment. With its 95% stone and brick exterior, complemented by hardy-board siding, this home offers enduring quality and timeless curb appeal. "Hidden Spring Farm" is more than a homeit is a private estate built for luxury, recreation, sustainability, and lifestyle flexibility. Whether you envision an equestrian retreat, entertainers paradise, or secluded family compound, this property with its rare functional acreage, exceptional amenities, strong school pyramid, and easy access to Reston, Tysons Corner, Springfield and Washington, D.C., presents a unique opportunity to own a truly exceptional Northern Virginia retreat.