A custom-built ranch home on 3.94 acres, in the gated community of Lake Riverside Estates, offering beautiful views of Palomar and Cahuilla Mountains. It is located at the end of a quiet cul-de-sac and a short drive to the community gate. The 3,439 sq. ft. residence has 5 bedrooms, 3 full baths, an office, 3-car finished garage with workspace, RV parking, ample front and rear parking, and covered front and rear porches. The home features a spacious, 525 sqft great room leading to a 532 sqft covered patio for entertaining family and friends. The great room has a wood-beamed cathedral ceiling, a fireplace with wood burning stove, a wine bar, home theater system, with 65-inch TV and surround sound. The chef’s kitchen features a 15 ft center island, 6-burner cooktop, a double oven, 2 separate sinks, 2 full-size refrigerator/freezers, 2 dishwashers, a trash compactor, granite countertops and an abundance of custom cabinetry under the island and along 2 walls. The formal dining room also features a 16 ft buffet and custom cabinetry. The laundry room has 2 washing machines and 2 dryers. There are also dual HVAC systems and dual tankless water heaters. Interior appointments include travertine floors, stained wood doors, crown molding, indoor/outdoor intercom. Home has fiber-optic internet, VOIP phone and antenna with DVR for receiving broadcast tv. Unique features are a bedroom retreat, created by the builder, for his autistic child and a fully enclosed Catio at the rear of the home. There's a 24x24 ft stable, 24x24 ft horse coral, 12x12 ft hay shed, 50 ft round pen, fully fenced exercise field with 12x12 shelter, all with water supply, and a finished tack room, carriage shed and an ~8-foot-wide, ¼ mile, carriage trail winding through the property. Property has been improved with a fruit orchard, rose garden, and California native plants. Astronomy enthusiasts will appreciate the observatory with 14-inch telescope and astrophotography system. Lake Riverside Estates offers an array of community amenities, including a private airstrip, community pool, stocked lake, playground, community horse arena, gated entry and security. Ideally situated between Temecula and Palm Desert, with Julian and Idyllwild nearby. At approximately 3,500 feet elevation, the area offers beautiful four-season weather and a mild mountain climate. A rare opportunity to enjoy custom ranch living with extensive equestrian amenities, mountain views, recreation and privacy.