Offered at $1,995,000, this rare Hyde Park estate opportunity includes both 4515 and 4517 Avenue D, combining two generous lots (125' x 131') into an impressive .375 acre setting with the scale, privacy, and presence of a true urban retreat. Built in 2022 and featured on the 2023 Austin Modern Home Tour, 4515 Avenue D showcases modern Scandinavian design with 3,300 square feet, twelve-foot ceilings, tall windows, and refined architectural lines. A wide foyer opens to formal living and dining spaces with custom cabinetry, a wine fridge, and bar sink, while the rear family room connects to a European-style kitchen with a large island and premium Miele, Bosch, and ASKO appliances. The home also includes an oversized pantry and utility room, flexible bonus room, four bedrooms, three and one-half baths, and a striking primary suite with soaking tub, walk-in shower, dual vanities, and custom floor-to-ceiling closet storage. Additional features include security-system prewiring, EV-charging readiness, covered parking for multiple vehicles, irrigation, and fresh landscaping. The adjoining undeveloped lot is shaded by mature trees and offers exceptional potential for a pool, guest house, garage, or expanded outdoor living.