Set on two magnificently landscaped, private acres in sought-after Devon, this exceptional stone-and-siding residence offers timeless architecture, refined finishes, and is in true move-in condition. Surrounded by lush gardens, flagstone patios, and a heated salt water resort-style pool, the property blends classic elegance with effortless indoor-outdoor living. A covered front porch welcomes you into a gracious entry hall featuring wide-plank, pegged hardwood floors and exquisite millwork. An arched doorway with Pennsylvania Keystone frames a stunning rear view of the grounds, while a sweeping staircase and detailed moldings set the tone for the home's craftsmanship. To the right, a charming parlor with coat closet and powder room provides a warm, inviting space. To the left, the expansive, formal living room showcases a wood-burning fireplace, with French door access to the three -season enclosed patio. The living room flows into a dramatic, vaulted office with exposed wood beam ceilings, built-in bookcases, and a second wood-burning fireplace--creating an inspiring and private workspace. The formal dining room situated along the back of the home, is adorned with crown molding, chair rail, and a bay window with a window seat. Door access seamlessly connects to the three-season room which opens to the pool and lush landscaped gardens beyond. The kitchen is both functional and beautifully appointed, featuring extensive custom cabinetry, marble countertops, a center island with double sink, and top-tier stainless steel appliances including a six-burner Wolf gas range with double ovens, Sub-Zero refrigeration, and a Sub-Zero wine cooler. A back staircase leads to the 2nd floor and a thoughtfully designed service hallway offers pantry storage, additional closets, and access to the basement. The kitchen opens to the family room, where radiant floor heating, custom woodwork, built-ins, and a gas fireplace create a comfortable gathering space. French doors lead to a flagstone patio with integrated Sonos system--perfect for entertaining. Upstairs, the primary suite is a serene retreat with a wood-burning fireplace, custom built-ins, and two walk-in closets. The luxurious bath features quartz-topped double vanities, radiant heated floors, and a walk-in shower. Four additional bedrooms include well-appointed suites and flexible spaces, one accessed via the back staircase--ideal for guests, an au pair, or a private office. A convenient second-floor laundry area and abundant storage enhance everyday living. Additional highlights include basement, pull-down, fully insulated attic with exceptional storage, a detached two-car garage with EV hookup, workshop, a garden shed, raised planting beds and an outdoor shower. With its picturesque setting, exceptional craftsmanship, and seamless blend of formal and casual spaces, this Devon property offers a rare opportunity to enjoy refined Main Line living at its best.