Welcome to 21975 Trailway, a beautifully upgraded single-story home in Lake Forest with no interior steps and plenty of features designed for comfortable living, including 15-foot vaulted ceilings. The backyard is a standout, featuring a heated saltwater "spool" (spa/pool) with a Badu SwimJet system that transforms it into a resistance lap pool, a Separatt compostable restroom, and a finished shed with tongue-and-groove paneling and its own AC which is perfect for a pool house, home office, gym, or creative space. The home is equipped with paid-off SunPower/Enphase solar (20 panels) with a transferable 25-year warranty, an Aquasana whole-house water filtration system, Waterdrop reverse osmosis, automatic hot water in the kitchen, a tankless water heater, and upgraded AC/HVAC with a whole-house fan. The garage adds even more versatility with an EV Level 2 charger and a removable Vocalbooth soundproof room with its own dedicated AC, power, and ethernet. Residents also enjoy access to Lake Forest's popular Sun & Sail Club, with its pool, lake, clubhouse, fitness center, and recreational amenities. The neighborhood is surrounded by nature trails and walking paths, making it easy to enjoy the outdoors right outside your door. Located within highly rated schools, including La Madera Elementary and El Toro High School, 21975 Trailway is a unique home with an impressive list of upgrades, all while offering the everyday comfort and convenience of single-story living.