Colossal post and beam barn house masterpiece, towering at an impressive 35 feet in height, is nestled within one of the healthiest and most innovative organic avocado groves in the industry 97.9 ACRES. Designed by the renowned Michael Shanahan and expertly constructed by the Vangaal Family, specialists in barns and churches of Dutch heritage, this property is a true work of art that will captivate you from the moment you set eyes on it. As you approach, a tranquil waterfall pond welcomes you at the entrance, setting the stage for a mountain lodge experience unlike any other. The main floor boasts an expansive open-concept great room spanning 35x55 feet, which includes a chef's dream kitchen featuring an oversized, 3-inch thick rough-edge granite countertop with a vegetable sink. The living room, dining area, a charming corner office, a guest bathroom, guest bedroom, and a convenient laundry room complete the downstairs living space. The master suite occupies the upper mezzanine and offers breathtaking views to the east through an entire glass wall, overlooking the picturesque grove and the majestic Mt. Olympus. Step into the Jacuzzi to unwind and soak in the beauty of nature, or choose to shower in the built-in natural stone waterfall in the upstairs master suite. The expansive 3-car garage (including one RV-sized space) spans approximately 2,000 square feet and serves a dual purpose as the packing area for Avocado Monthly, an established and profitable web-based avocado business. It is also always ready to host dinners, weddings, parties, and company gatherings. Adding to the property's charm, living space, income potential, and overall value, the ranch features a 1,200 square-foot ADU (Accessory Dwelling Unit) designed to be an AirBnB. This 2-bedroom, 2.5-bath ADU is situated on the ridge south of the main home, surrounded by the thriving avocado groves. Guests will relish in the stunning sunrises, sunsets, cool breezes, and panoramic views from the L-shaped deck off the second-story master bedroom. This 99.9-acre ranch enjoys a perfect microclimate, thanks to its location in the upper Highlands along Gomez Creek, sheltered on the east by the Mt. Olympus range and the Highland Rainbow Heights range on the west. Developed and meticulously planted by one of Fallbrook's agriculture pioneers, Ralph Foster, the Foster Ranch boasts 1,700 productive Hass and Gem avocado trees, along with 450 new 1-year-old Gem and Reeds, plus 22 other mixed varieties that are used for the Avocado Monthly gift packing business. The ranch generously supplies water for the avocado trees and landscaping from four wells (in addition to a 2" district water meter) and a river catch-up stream system in Gomez Creek. There is a 40,000-gallon metal holding tank, three 10,000-gallon plastic water storage tanks, and a new RO (Reverse Osmosis) system that processes all well water. For backup power, the ranch is equipped with its own Lister Petter 32 KW diesel generator, complete with a 1,000-gallon fuel tank, ensuring uninterrupted operation for all equipment and wells, regardless of the circumstances. This extraordinary property is a turnkey, meticulously maintained, and innovative operation that stands out among avocado groves. It offers a natural playground with trails, streams, ponds, and even a private shooting range. Farm equipment and ranch hands are also available for your convenience. Experience the perfect example of sustainable living and agricultural excellence on this remarkable estate. Don't miss the opportunity to make it your own!