Set along one of San Marino's most desirable tree-lined streets, this classic residence offers timeless architecture, gracious proportions, and exceptional flexibility in a premier neighborhood location.The main home features four bedrooms and two bathrooms, thoughtfully arranged within a layout that balances comfort and scale. A welcoming facade and mature landscaping introduce interiors defined by warmth and character. The light-filled living room, anchored by a fireplace and custom built-ins, flows effortlessly into a formal dining room detailed with crown molding, an ideal setting for both refined entertaining and everyday gatherings. An enclosed sun porch extends the living space and opens to the rear gardens, creating a seamless connection between indoors and out.The spacious primary suite offers dual walk-in closets, while the additional bedrooms provide versatility for family living, guests, or dedicated work-from-home space. Hardwood floors, custom built-ins, and well-proportioned rooms reflect enduring craftsmanship and thoughtful design.Beyond the brick patio and citrus trees, a detached studio with its own bath, kitchenette, fireplace, and generous storage enhances the property's appeal. Whether used as guest quarters, a creative retreat, or a private executive office, this separate structure adds meaningful flexibility rarely found in this setting.The landscaped grounds provide privacy and tranquility, with multiple areas for outdoor dining and entertaining. A detached two-car garage with additional storage and a smart irrigation system serving both front and rear gardens add convenience and functionality.Moments from Lacy Park, the Huntington Library, and San Marino's award-winning schools, this is a rare opportunity to own a residence that balances architectural character, flexible living, and an exceptional location.