Exceptional investor/development opportunity in the heart of San Carlos! Set on a prime corner lot this property presents a rare two-address configuration on one parcel. Featuring a 6BD/4BA main house at 590 Chestnut with a separate 1BD/1BA apartment at 580 Chestnut. Currently operating as an assisted care facility, the property offers immediate functional use with long-term potential for an investor, developer, or owner-user seeking a flexible asset in a highly desirable location. Just moments from vibrant downtown San Carlos, Laurel St. shops and restaurants, Caltrain, and Sequoia Hospital. The property also enjoys convenient access to a variety of community amenities, including the San Carlos Adult Community Center, City Hall, the San Carlos Library, Police Department, Burton Park, the San Carlos Dog Park, and the San Carlos Youth Center, all within approximately a five-minute walk. A rare chance to acquire a flexible property in a coveted San Carlos setting.