A rare opportunity to own the iconic Sloss-Lilienthal House, San Francisco Landmark No. 55, in the heart of Pacific Heights. Built in 1876, this extraordinary Italianate estate offers 8,215 square feet on a prized double lot, blending historic grandeur with modern livability. Grand-scale rooms, soaring 13-foot ceilings, intricate moldings, medallions, crystal chandeliers, hardwood and parquet floors, decorative fireplaces, and abundant natural light showcase the home's remarkable craftsmanship. A dramatic formal entry, grand staircase, elegant living and dining rooms, and a handsome library create exceptional spaces for entertaining and everyday living. The updated chef's kitchen features a Wolf range, granite countertops, generous prep space, butler's pantry, and an adjoining informal lounge. The home offers 6 bedrooms, 6 full baths, and 1 powder room, including a spacious primary suite with skyline views and a sitting area. Flexible upper-level space is ideal for office, fitness, guests, or recreation. Outdoor spaces include beautifully landscaped gardens, mature greenery, and private areas for entertaining or retreat. A 4-car garage offers rare convenience in Pacific Heights. Ideally located near Fillmore Street, Lafayette Park, Alta Plaza Park, top schools, boutique shopping, dining, Whole Foods, and Japantown. Mills Act enrolled, offering significant property tax advantages.