329-331 Woolsey presents a rare opportunity to own a fully vacant duplex, offering exceptional versatility for both end users and investors alike. With generous scale and thoughtful layout, the upper residence spans three bedrooms and two baths, featuring a well-appointed kitchen that flows seamlessly into a formal dining room and an expansive living area framed by large windows and neighborhood outlooks. Natural light and volume define the space, creating an inviting environment for both everyday living and entertaining. A deep, private backyard extends the living experience outdoorsideal for al fresco dining, gardening, or future expansion potential. The lower residence offers a comfortable and well-designed one-bedroom, one-bath layout, complete with a refreshed kitchen and inviting living area. Whether utilized for extended family, guests, or supplemental income, the space provides both flexibility and value. Positioned on a quiet residential block, the property enjoys close proximity to neighborhood markets, local favorites along San Bruno Avenue, and the expansive trails and green space of McLaren Park. The setting strikes a balance between peaceful residential living and convenient urban access. Additional highlights include a two-car side-by-side garage, ample storage, and easy access to major transportation routes and freeways. Delivered fully vacant, 329-331 Woolsey offers a compelling canvas for customization, investment, or multi-generational living in one of San Francisco's evolving neighborhoods.