Welcome to 4359 Clybourn Avenue. South of Riverside. A distinguished residence that embodies the refined marriage of elegant Spanish Colonial Revival architecture and contemporary sophistication. Situated behind gates on one of Toluca Lake's most coveted, tree-lined streets. This private and impeccably updated estate features 4 bedrooms, 5 bathrooms, and 2,926 square feet of thoughtfully curated living spaceincluding a newly built two-story ADU and resort-style outdoor amenities. Step through the arched tower entry into a sun-drenched interior that seamlessly blends old-world charm with modern design. Rich hardwood floors, arched ceilings, and dramatic architectural detailing frame the home's inviting layout. The formal living room, anchored by a fireplace and handcrafted leaded glass windows, flows effortlessly into the coffered-ceiling chef's kitchencomplete with a honed marble island, Thermador appliances, pot filler, beverage bar, and cozy breakfast nook. The primary suite is a private retreat featuring an impressive custom wood pyramid ceiling, spacious walk-in closet, and a spa-like en suite with a freestanding tub, walk-in shower, and double vanities. Two additional bedrooms are connected by a beautifully appointed Jack-and-Jill bathroom. A fourth bedroom in the ADU with en suite bath offers ideal accommodations for guests or multigenerational living. Outside, the gated backyard oasis awaitscomplete with a sparkling pool, above-ground spa, multiple patios, and lush landscaping designed for both relaxation and entertaining. The detached 1-car garage and long gated driveway provide ample parking and privacy. At the rear of the property, a versatile two-story ADU offers the perfect solution for today's evolving lifestyles. The lower level includes a spacious living area, gym, laundry area, and powder room. Upstairs, you'll find a full kitchen with stainless appliances, an open sleeping area, and a beautifully finished bathroomideal for a home office, guest suite, creative studio, or extended family. Located just minutes from Toluca Lake Village, top-rated schools, and major studios, this exceptional residence delivers timeless elegance, modern comfort, and an unmatched location in one of LA's most iconic neighborhoods.