Privately set on 3.46 acres in Lutherville, 815 Hillstead Drive is a stately all-brick Georgian Colonial of exceptional scale, craftsmanship, and construction quality that is simply not replicated in today's market. A concrete slate roof rated for over 100 years and solid all-brick construction signal the standard this home was built to and has been maintained at. Nearly 10,000 total square feet across three fully finished levels, 6 bedrooms, 6 full and 3 half baths, a 3-car garage, and a 46-foot bluestone terrace with precast stone balustrade that opens to one of the most coveted views in Baltimore County: sweeping, unobstructed pastoral vistas across rolling private grounds and a mature tree canopy that stretch as far as the eye can see. From the moment you step into the grand two-story foyer, the craftsmanship is unmistakable. Elaborate dentil crown molding runs the full perimeter of every principal room. Custom built-in cabinetry, floor-to-ceiling mahogany bookcases, and arched display niches are found throughout. The staircase and upper balcony feature solid turned wood balusters with a mahogany handrail that runs nearly the full width of the home, overlooking the great room below where the ceiling soars to approximately 20 feet. The entire rear of the main level, from the great room through the kitchen and sunroom, opens seamlessly to the bluestone terrace through multiple sets of French doors, bringing the pastoral views inside at every turn. The formal dining room, the mahogany-paneled office or library with its own fireplace, and a gracious formal sitting room offer the kind of room count that defines true estate living. The expansive kitchen features custom cabinetry, granite countertops, a full KitchenAid appliance suite, and a dedicated walk-in pantry just off the convenient laundry rom. The octagonal sunroom with floor-to-ceiling windows on all sides connects via a solid wood spiral staircase to the lower level. A main-level bedroom suite with private bath provides multigenerational flexibility from day one. The primary suite is extraordinary: an octagonal tray ceiling with cove uplighting, a spa bath with marble floors, double vanity, soaking tub, and walk-in shower, and a his-and-her closet suite including a closet of over 650 square feet with vaulted ceiling and center island. Three additional upper level bedrooms each feature a private en suite bath, large closets with built-ins, and a Palladian arched window. The lower level represents one of this home's most compelling opportunities. Thoughtfully designed as a complete, self-contained living suite with its own private entrance, full daylight throughout, and walkout access to the grounds through a signature all-brick arched exterior passageway, it is ideally suited for in-law living, an au pair suite, multigenerational arrangements, or extended guest accommodations at a scale and finish level rarely found. The suite encompasses a living room with fireplace, a formal dining room, a fully renovated kitchen with quartzite countertops and a KitchenAid gas appliance suite, a family room with bay windows and garden views, an entertainment room, a private bedroom, a full bath, a powder room, and nearly 750 square feet of dedicated storage, all served by its own private HVAC zone. Two separate interior staircases connect the levels seamlessly. Major systems include a 5-zone HVAC system, propane boiler, private well with comprehensive water treatment, Generac generator and more, all meticulously maintained and updated over the years by original owners. Tucked away in total privacy, yet minutes from Greenspring Station, I-83, downtown Baltimore, and the area's finest private schools. A home of this construction, this quality, and this scale rarely comes to market. By appointment only.