Welcome to Hidden Hollow: An extraordinary custom-built gated estate on over three acres with a separate guest house. This refined residence offers over 7,000 square feet of sophisticated living on a beautiful, private wooded lot at the end of a premier cul-de-sac. Conveniently located adjacent to Four Corners in Jacksonville and only minutes to Hunt Valley, it perfectly balances seclusion with everyday convenience. Ideal for multigenerational living, the 5,500+ square foot main house boasts 4 bedrooms, 4 full and 2 half baths, delivering spacious, flexible accommodations for the primary household. Complementing this is a completely independent 1 bedroom, 1 full bath 1,259 sq ft guest house with separate entry, providing privacy and comfort for extended family or guests. A custom art-inspired water feature with basalt columns and propane torches welcomes guests at the circular drive, while two garages hold five cars for ease and convenience. Enter through the grand two-story foyer with overlook, flanked by a dining room and study, flowing into the expansive family room anchored by a floor-to-ceiling dual-sided masonry fireplace and a wall of windows. Dual chef-caliber kitchens delight: the main gourmet space with Fieldstone cherry cabinetry, granite counters, and premium appliances pairs seamlessly with a separate professional-grade chefs kitchen featuring a Wolf commercial six-burner range with double ovens, True refrigeration, Bosch dishwasher, center island, ice maker, stainless surround, and two walk-in pantries. Additionally found on the main level is an office or potential bedroom, as well as a full and a half bath. The upper level features a luxurious primary suite with soaring vaulted ceilings, a serene private sitting area, and an expansive custom walk-in closet designed for exceptional functionality and style. Its spa-inspired bath includes radiant-heated floors, raised tub, seamless glass shower, vessel sinks, heated towel racks, and water closet. The upper level also features three additional generously sized bedrooms, each boasting beautiful hardwood flooring, ample closet space with built-in shelves, plantation shutters, and a well-appointed full bathroom. The lower level offers a true resort-inspired retreat, featuring a dedicated fitness area with a private sauna, a full bath, and a laundry room equipped with two full sets of washers and dryers, providing exceptional functionality for busy households. An expansive family/game room is elevated by a convenient wet bar and an adjacent wine cellar, perfect for entertaining. Ample additional storage includes a generous walk-in California closet that could easily serve as an additional bedroom. This walk-out lower level opens directly to a covered bluestone patio, seamlessly blending indoor comfort with outdoor living. Outdoor living shines with a maintenance-free 53-ft rear deck featuring built-in Basalt bar, a covered sitting or dining area with heaters, sliding doors and curtains, and recessed lighting; two raised seating areas, three fire fountains, overlooking terraced rock gardens and a fire pit. The home boasts an exceptional array of top-tier mechanical systems: an architectural shingle roof (2018) featuring 5-inch gutters and downspouts, a comprehensive water treatment system, multiple, updated HVAC units serving the home (replaced in 2025 & 2017), with dedicated zones. Additional highlights include a generator, new hot water heater for the main house (2021), a full Sonos whole-home audio system (covering the main house, master suite, bath, and deck), electronic Hunter Douglas shades in key areas, and three 1,000-gallon owned propane tanks. These meticulously maintained, high-end systems ensure peace of mind and effortless luxury living. This exquisite private retreat is more than a residence: it's a legacy of refined luxury, seamless entertaining, and lasting family harmony.