600 County Road 257 Welcome to your personal haven! Set on over 80 acres of unspoiled terrain, this opulent estate presents a grand 7500 square foot main residence, designed for both lavish entertaining and tranquil relaxation. The chef in your life will be impressed with the kitchen featuring a 60" Wolf range, Sub-Zero refrigerator, double dishwashers, Wolf convection microwave, ice-machine, wine fridge, warming drawer and a vast amount of countertop space. Outside, immerse yourself in the ultimate outdoor retreat, complete with a fully-equipped kitchen and bar, featuring Lynx grill, Sonic ice-machine, dishwasher, True refrigeration, a glistening pool and views for miles. The detached guest house with kitchenette, bedroom and 1.5 baths is so flexible that it could be an office, mother-in-law space, media room or game room to fit your lifestyle. Car enthusiasts will revel in the spacious three-car garage, while hobbyists will find solace in the detached workshop and garden/tool shed. This estate home features, Jeld-Wen windows and doors, Control 4 home automation, 2X6 exterior framing, foam insulation, clay tile roof, multiple TV's and entertainment systems, personal well with storage tank and endless other amenities. Enjoy the perks of country living with an agricultural exemption in place, all while being mere moments from the on-site office/warehouse/storage area, which includes a 1250 square foot office with a meeting room and kitchen, as well as 8100 square foot covered flex space. With frontage on the serene San Gabriel River, this property offers endless possibilities for development. The property is unrestricted and could be residential, commercial or developed. Don't let this extraordinary chance to live in luxury amidst nature's splendor slip away—contact the agent today for insights into the myriad of development opportunities that awaiting you!