Nested on an expansive 20,852 sq. ft. flat lot in one of Arcadia's most desirable neighborhoods, this exceptional south-facing custom estate, rebuilt in 1997 (originally built in 1949), offers nearly 4,900 sq. ft. of elegant single-level living. The versatile floor plan features 3 bedroom suites, 4.5 baths, a private library (optional 4th bedroom), an office/den, and an oversized recreation room. Designed with timeless elegance, the home showcases solid hardwood floors, soaring cathedral ceilings, custom built-ins, leaded glass accents, bay windows, and abundant natural light. The gourmet kitchen features granite countertops, custom cabinetry, and a built-in Sub-Zero refrigerator. The luxurious primary suite includes a spacious dressing area, walk-in closet, soaking tub, and separate shower, while the dual primary suite layout provides exceptional privacy and flexibility for multigenerational living or guests. French doors open to park-like grounds with mature fruit trees, expansive wood decks, a tranquil koi pond and waterfall, and beautifully landscaped outdoor living spaces. Nearly $200,000 in upgrades since 2019 include fresh interior and exterior paint, professionally refinished hardwood floors, owned solar, smart lighting, a security camera system, a tankless water heater, and a hot water recirculation system, making this home truly move-in ready. Additional highlights include fireplaces in the living and dining rooms, generous garage attic storage, and an oversized recreation room ideal for a home theater, gym, or game room. Located within the award-winning Arcadia Unified School District, just minutes from premier shopping, dining, parks, and schools, this rare single-story estate presents an exceptional opportunity to own a timeless home on an oversized lot.