More spaces, more possibilities and a peaceful cul-de-sac setting in South San Francisco's desirable Avalon neighborhood, 417 Diane Ct offers an exceptional combination of spacious living, an expansive backyard and prime Peninsula convenience. What truly sets this property apart is its exceptionally generous lot, featuring nearly double the street frontage of many neighboring homes. The expansive outdoor space offers incredible possibilities for entertaining, gardening, recreation, or exploring the potential for a detached ADU, subject to city approval. Situated in one of the sunnier pockets, the home enjoys a quiet residential setting without sacrificing accessibility. Nearby parks, schools, shopping, and dining make everyday life convenient with easy access to Highways 101, 280, BART, and Caltrain provides connectivity to SF, the Peninsula, and Silicon Valley. Upstairs: 3 beds, 2 baths on one level, bright living room, kitchen & dining with private deck offers a peaceful retreat. Downstairs: family room, 4th bed, half bath, utility room & separate backyard entrance ideal for guests, extended living or office. For those seeking more space, a peaceful neighborhood, and exceptional value without compromising convenience, 417 Diane Ct presents a compelling opportunity.