Welcome to 4176 Epsilon Street, San Diego, CA 92113, a charming one owner 1954 single-family home in the heart of Shelltown offering space, character, and long-term potential. This 3 bedroom, 1 bathroom residence features approximately 1,026 square feet of comfortable living space on a generous nearly 7,000 square foot lot with rare backyard alley access, all just minutes from Downtown San Diego, Petco Park, and the San Diego Bay. Inside, the single-story layout feels functional and inviting, highlighted by charming original hardwood floors, newer windows, and natural light throughout. The expansive backyard provides exceptional outdoor space for entertaining, gardening, adding an ADU, or exploring future expansion possibilities. What truly sets this property apart is its R-2 Residential Multiple Unit zoning. While the current house is a single home, per the City of San Diego this zoning generally allows for the possibility of building additional residential units on the lot, which could include duplex units or other multiple dwellings, subject to city guidelines and approvals. Whether you are a first-time homebuyer, investor, or someone looking for multi-generational flexibility, this property blends classic San Diego character with development upside in a centrally located 92113 neighborhood close to freeways, shopping, parks, schools, and everyday conveniences, making it an opportunity you do not want to miss.