Tucked within the highly desirable Citrus Lane community of Lake Forest, 21632 Treeline Lane offers a rare combination of privacy, functionality, and outdoor lifestyle living on an expansive approx. 8,450 square foot lot. This thoughtfully maintained two-level residence features 3 bedrooms and 3 bathrooms across approximately 2,137 square feet, highlighted by abundant natural light through large windows and a spacious, well-flowing floor plan designed for comfortable everyday living and entertaining. Recent improvements include a full home E-pipe repipe for hot and cold water, a newer HVAC system, and four Sunsetter awnings enhancing energy efficiency and backyard usability year-round. The property's outdoor setting is truly special, showcasing over ten mature fruit trees, including avocado, peach, pomegranate, fig, and apricot-along with multiple mature shade trees, added privacy, a storage shed, and RV parking potential. Residents enjoy access to the community's expansive citrus orchards, nearby equestrian facilities, sports parks, and scenic walking and biking trails, all just minutes from Irvine Spectrum's premier dining, shopping, and entertainment destinations. A quiet and safe neighborhood setting combined with strong indoor-outdoor living flexibility makes this a standout opportunity in one of Lake Forest's most lifestyle-oriented communities.