First time on the market! This amazing duplex in the heart of South San Francisco makes an incredible investment opportunity! Live in one unit and rent the second unit, or create a multi-generational space. These spacious, separate units feel like two single family homes. 537 Miller has a 4 bedrooms/3 bathrooms while 534 4th Lane has a 3 bedrooms/3 bathrooms. Each unit features a wood burning fireplace, ample storage, expansive bedrooms, and an attached 2-car garage.  With close Proximity to Caltrain, SF/SFO/Booming Bio-Tech Industry, 101/380, it is the epitome of convenience!