Rare opportunity to own 15 private acres in Golden Gate Estates featuring a custom-built 2022 all-steel barndominium, three separate 5-acre parcels, and a whole-property solar and battery backup system. This unique estate offers approximately 4,200 square feet under air, 5 bedrooms, 4 bathrooms, an 800-foot paved driveway, and more than 100 irrigated fruit trees. Designed for both everyday living and entertaining, the home features exposed steel beams, concrete floors, a spacious chef's kitchen with commercial-grade appliances, oversized island, double farm sinks, two dishwashers, and extensive storage. The approximately 1,500-square-foot enclosed garage with a 14-foot-high door provides ample space for RVs, boats, equipment, workshops, and car collections. The property is served by private well water and a substantial solar energy and battery storage system, allowing the home to operate either connected to the grid or independently when desired. Rural Fringe Mixed Use zoning provides flexibility for residential and agricultural uses, including equestrian, homestead, hobby farm, family compound, or private estate opportunities. Sale includes the adjacent 5-acre parcel to the west (PID 00303240004) and the adjacent 5-acre parcel to the east (PID 00303160003), for a total of approximately 15 acres across three separate parcels.