Mid-Century Modern Duplex in Brentwood – Designer FinishesWelcome to 6506 Arroyo Seco, a rare and refined, custom-built, mid-century modern duplex located in the heart of Brentwood. Each side of this thoughtfully crafted property features 3 bedrooms and 2 full bathrooms, offering a flexible layout ideal for owner-occupants, investors, or multigenerational living.Inside, you'll find 10-foot ceilings, custom walnut cabinetry and doors, and premium Blum self-closing hardware throughout. Kitchens are outfitted with Okite quartz countertops, Liebherr refrigerators, and Miele dishwashers, while bathrooms feature Kohler fixtures for a clean, elevated finish.Distinctive Florida cypress siding and fencing adds warmth and texture, appearing both on the exterior and interior of the home. Each unit includes walk-in closets, access to a private courtyard, and a dedicated 2-car garage, offering both comfort and convenience.Set along the scenic Arroyo Seco greenbelt and only a short walk from Brentwood Park, Little Deli, Violet Crown Wine Bar, Fresh Plus Grocery and other beloved neighborhood spots, this duplex presents a rare blend of timeless design and modern livability in one of Austin’s most sought-after communities.Whether you're seeking a high-quality investment or a flexible living setup, 6506 Arroyo Seco delivers quality, character, and location in equal measure.