Prestigious Upper Rancho Estate in Arcadia. This distinguished estate is set on a sprawling 43,359 sq.ft. lot (144 x 301) and is beautifully secluded by mature trees and lush landscaping. On the market for the first time in over 26 years, this exceptional single-story, south-facing home offers 3,322 sq.ft. of elegant living space and an unparalleled indoor-outdoor lifestyle. A gated circular driveway provides privacy and ample parking, leading to an expansive front porch that overlooks manicured gardens and a verdant front lawn. Wrought-iron fencing encloses the beautifully landscaped grounds, creating a serene, park-like ambiance. Step through ornate double doors into a welcoming interior. Multiple picture windows frame sweeping garden views, while the generously sized living room features a striking white marble fireplace, detailed wainscoting, and walls of glass that open to the breathtaking backyard. The formal dining room exudes timeless charm with designer wallpaper and a vintage-style chandelier. The updated kitchen boasts a center island, granite countertops, custom tile backsplash, stainless steel appliances, recessed lighting, and a large picture window with front yard views. Adjacent to the kitchen, a wet bar and cozy family room open to the patioperfect for entertaining or relaxing. This thoughtfully designed home offers four bedrooms and three bathrooms, plus a spacious office/library with built-in bookshelves and outdoor access. The east wing includes the primary suite with, large dressing area, dual sinks, spa tub, and a glass-enclosed shower. Two additional