Welcome to 899 40th Avenue, a well-maintained corner residence in San Francisco's desirable Outer Richmond neighborhood. This spacious single-family home offers exceptional versatility with a permitted second unit and RH-2 zoning, with permits on file. The upper level features the original two-bedroom, one full bath and a half bath layout, complete with a formal dining room and beautifully refinished hardwood floors throughout. Fresh interior paint and newly sanded and stained wood floors make the home truly move-in ready. Built in 2006, the permitted lower-level unit includes two bedrooms, one bathroom, a kitchen, and an open living/dining area, with a separate entrance from the backyard. Additional improvements include a newer roof installed in 2020. The property offers a fantastic opportunity to move right in while adding your own personal touches over time. Ideally located directly across from Golden Gate Park and public transportation, this home is just 10 blocks from Ocean Beach and nearby grocery shopping. Enjoy easy access to Balboa Street's vibrant collection of restaurants, cafes, and neighborhood shops, only two blocks away. A rare opportunity to own a versatile property in one of San Francisco's most sought-after coastal neighborhoods.