Privately nestled on 15.74 scenic acres in Sabillasville, this exceptional custom all-brick estate offers timeless architecture, refined craftsmanship, and peaceful seclusion. With 4,080 square feet above grade, 4 bedrooms, 3.5 baths, and over 6,000 square feet of total space, the home has been meticulously maintained and extensively improved. A winding paved driveway passes the pond, mature trees, and beautifully maintained grounds, creating a memorable approach to the stately residence. Inside, rich chestnut hardwood flooring, extensive millwork, designer finishes, and oversized windows fill the home with warmth and natural light. The main level is designed for both elegant entertaining and comfortable daily living, centered around a renovated kitchen with custom cabinetry, expansive granite countertops, premium appliances, a large center island, and seamless flow to the adjoining gathering spaces. The breakfast area and sunroom enjoy beautiful views, while the soaring great room features dramatic arched windows and striking architectural detail. A richly finished library complete with custom cherry cabinets and built-ins, walnut mouldings and walnut doors, offers an exceptional office or retreat, and the formal dining room provides a classic setting for entertaining. Upstairs, spacious bedrooms include a generously sized primary suite with sitting area, private balcony access overlooking the pond, large walk-in closet, and a light-filled bath with soaking tub and separate shower. Secondary bedrooms are well proportioned and inviting. A standout feature is the custom swim spa addition, accessed through a mahogany arched Colonial entry door and connected by a breezeway with barreled ceiling. Stone archways crafted from Greenschist stone sourced from the property add distinctive character. The spa retreat offers soaring ceilings, arched windows, heated tile floors, and tranquil landscape views. Covered porches, brick walkways, stone accents, an expansive terrace, and a red barn/outbuilding further enhance the estate setting. The walkout basement offers over 1,922 square feet of unfinished space ready for a future guest suite, theater, fitness studio, wine room, recreation area, or additional entertaining space. Notable updates include the high-end kitchen and butler's pantry renovation, custom library conversion, HVAC upgrades, roof replacement, upgraded insulation, whole-house Generac generator, water treatment and security enhancements, paved driveway improvements, masonry and chimney work, and the custom swim spa and breezeway addition. 6613 Browns Quarry Road is a rare offering where timeless design, meaningful updates, and an exceptional natural setting come together in a property of lasting distinction.