Welcome to 1103 Western Avenue in Mill Valley's desirable Almonte neighborhood, offering easy access to Good Earth, Tam Junction, beaches, trails, and Mill Valley's vibrant town center. This flexible 2,580 sq ft duplex on a 6,000 sq ft lot lives comfortably as one home or two private units. The upper level features 2 bedrooms and 2 bathrooms with bright living spaces, exposed beam ceilings, large windows, and access to a private terrace. The lower level includes 2 bedrooms and 1 bathroom, its own kitchen with newer Maytag stainless appliances, and direct access to the yard. Both levels offer private entrances and are also connected internally by a staircase, making this property ideal for multi-generational living, rental income, or guest quarters. The fenced outdoor space includes a brick patio, open lawn, and mature fruit trees including persimmons. A dedicated enclosed laundry room with outside access adds everyday convenience. Minutes to Highway 1 and 101, this home offers flexibility and lifestyle in a prime Marin location.