A Rare Main Line Stone Estate - Nearly Three Centuries of History on Over Three Scenic Acres. Opportunities like this rarely surface on the Main Line. Situated on over 3 scenic acres, this exceptional property combines timeless historic character with significant future development potential. Buyers should verify subdivision possibilities, permitted uses, and township approvals. Solid Washington Rock stone construction gives the residence exceptional craftsmanship, quality, and natural insulation. Original hardwood floors, three wood-burning fireplaces, and preserved architectural details reflect the historic character that Main Line buyers appreciate most. The grounds include a picturesque pond, mature trees, seasonal gardens, and fruit-bearing trees. A fenced area with a dog kennel suits pet owners, while the spacious patio and adjacent outdoor fireplace create an exceptional setting for entertaining and outdoor living. The main level features a Living Room with soaring ceilings, a stone fireplace, custom built-in bookcases, and open gathering space ideal for entertaining, along with a formal Dining Room, Family Room, and Powder Room. The upper levels include a spacious primary suite with a sitting room and private bath, multiple additional bedrooms, flexible living areas, and three full baths. The finished lower level with a fireplace offers excellent space for a recreation room, game room, or media room. A separate guest cottage - with its own full bath, kitchenette, and served by natural spring water - provides flexible space for extended family, guests, or a private home office. Lovingly restored since 2005 while preserving its historic integrity, the estate offers privacy while remaining conveniently located within the Radnor Township School District, just minutes from Villanova University, SEPTA Regional Rail (Paoli/Thorndale Line), the Norristown High Speed Line, shopping, dining, and major highways including I-76 and I-476, providing convenient access to Center City Philadelphia. A truly rare Main Line offering where history , exceptional craftsmanship, remarkable acreage, and future possibilities come together.