Designer-Perfect Mid-Century Modern Gem in Mount Washington. Nestled on a quiet cul-de-sac in the prestigious Mount Washington Estates, 4022 Marchena Drive is a breathtaking example of Mid-Century Modern architecture, reimagined top to bottom by acclaimed designer Arum Kim. This south-facing, split-level hilltop home offers 3 bedrooms, 3 bathrooms, and 1,917 sq ft of bright, airy living space on a beautifully landscaped 8,180 sq ft lot. Step inside to discover a thoughtfully curated main level featuring a seamless open-concept layout. The kitchen is a chef’s dream, complete with a center island bar, stone countertops, brand-new stainless-steel appliances, custom flooring, and ample cabinetry. Enjoy morning coffee in the charming breakfast nook or host memorable evenings in the formal dining area. The expansive living room is anchored by a striking asymmetrical fireplace, a stunning nod to classic mid-century design. Upstairs, the primary suite is a true retreat, featuring hillside views, a spa-inspired bathroom with a walk-in shower and separate soaking tub. Two additional sun-drenched bedrooms with sweeping views share an elegantly updated full bath. The lower level offers incredible flexibility with a spacious family room, a half bath, and sliding glass doors that lead to a large, private backyard. Whether envisioned as a media room, office, or creative studio, the space adapts to your lifestyle. Outside, the lush, terraced yard is your own private oasis—perfect for summer gatherings, relaxing afternoons, or even building the pool of your dreams. From its architectural pedigree and designer finishes to its serene location in one of Northeast LA’s most coveted enclaves, this home isn't just a place to live—it's a statement of style, a piece of history, and the start of your next chapter.