Old-world elegance and timeless architectural charm abound in this beautiful Spanish-style duplex on a wide, tree-lined street in desirable South Carthay. Benefiting from coveted Mills Act status with significant property tax savings, this exceptional property offers a rare combination of architectural character and investment appeal. Each spacious unit features 3 bedrooms and 2 bathrooms, with the lower unit delivered vacant and the upper unit offering an additional den/office. Rich period details include graceful arched doorways, crown moldings, stained glass windows, and hardwood floors. Each residence features a gracious formal living room with fireplace, elegant formal dining room, and separate breakfast room. Generously sized bedrooms offer walk-in closets, complemented by additional coat and linen closets for ample storage. Outdoors, a heated lap pool provides a private retreat for relaxation and exercise. Two separate two-car garages offer exciting potential for ADU conversion, subject to applicable approvals, creating opportunities for additional living space or rental income. A rare opportunity to own an architecturally distinctive income property that beautifully combines historic character, generous living spaces, and income.