3,750 s.f. vacant lot on a quiet, tree-lined alley. 50' frontage. Existing plans for previously-approved 40x project with nine residential and one commercial market-rate units are included. Buyer to investigate status of site permit or pursue a new plan based on new zoning regulations/affordable housing density and height bonuses. Excellent location near all the South of Market amenities, restaurants, and cultural attractions including the San Francisco Museum of Modern Art and Yerba Buena Gardens. Close to employment centers and the burgeoning AI boom. Easy access to 280, 101, Muni, and Caltrain. 98 walk score, 99 bike score, and 100 transit score.