Designed in 1928 by renowned architect Emmet Martin, this stately palazzo was modeled after the Medici villas and featured in Architectural Digest just a year after it was built. The home blends old world elegance with modern amenities and a practical floor plan. Originally commissioned by the owners of the Kay Brunner Steel Casting Company, the property showcases stunning architectural craftsmanship: original wrought ironwork, a handmade entrance gate, chandeliers, sconces, carved wooden doors, ornamental steelwork, and hardwood floorsall beautifully preserved and thoughtfully integrated throughout. A grand foyer and sweeping spiral staircase lead into an elegant living room with a classic marble fireplace and French doors that open onto a spacious terrace with its own fireplaceperfect for romantic California evenings and seamless indoor outdoor entertaining. The formal dining room features dramatic wrought iron lighting and connects to a chef's kitchen equipped with Thermador and Viking appliances, an oversized center island with breakfast bar, and a walk in pantry. Adjacent to the kitchen is a casual living area, with a staircase leading down to a storage basement. Completing the main level are a guest bathroom with pool access, a laundry room, and a large bedroom suite. Upstairs, a spacious landing opens to four bedroom suites. The primary suite includes a walk in closet, dual vanity, shower, spa tub, and a private office area that leads to a tranquil balcony. A separate terrace provides the perfect spot for morning coffee or enjoying the Lacy Park July 4th fireworks. The beautifully landscaped grounds include a fireplace lounge, lighted paddle tennis/sports court, heated pool and spa, lush gardens, a fountain, a two car garage, and a circular driveway with ample parking. Ideally located near Lacy Park, the Langham Hotel, and the Huntington Library, this exceptional home is also within the award winning San Marino school district. NOTE: Tax assessor shows property as 4BR plus downstairs family room.