Located in San Francisco's renowned Lake Street, 167-169 11th Avenue presents a rare trophy offering: a stately Edwardian duplex, delivered vacant, with exceptional flexibility for all types of buyers. Beautifully preserved period details and thoughtfully updated, the property showcases original wood trim, hardwood floors, picture rails, detailed wainscoting, and charming bay windows with abundant natural light. The upper unit features three bedrooms, with flexibility for a fourth bedroom, and one and a quarter bath. A spacious living room with fireplace and bay windows, charming formal dining room, an eat-in kitchen with pantry and separate laundry room cap off this light and bright residence. The kitchen is stylishly renovated with new countertops and new stainless steel appliances. The lower unit offers a flexible layout with two bedrooms and one and a quarter split bathroom, a gorgeous formal dining room with original wood trim, and a living room with fireplace that may also function as an optional third bedroom, plus an eat-in kitchen with pantry and separate laundry room. The kitchen boasts new countertops and new stainless steel appliances. Both homes offer direct access to a spacious landscaped backyard with a garden patio, newly landscaped turf lawn, mature trees for privacy, and built-in seating, perfect for entertaining. Each unit includes a large dedicated storage room with high ceilings, plus one car garage parking in the massive 2-car garage, and room for additional storage or ADU potential. Ideally located just half a block from Mountain Lake Park, moments from the Presidio, and the vibrant Clement Street corridor with acclaimed dining, cafs, and neighborhood shops. An impressive 96 Walk Score and convenient MUNI access cap off this prime Lake District building. 11th Avenue offers a unique opportunity to own in one of the city's most exclusive neighborhoods, and exceptional access to the best San Francisco has to offer.