Highly desired Semi-Custom Home & Casita nestled in the sought-after Santiago Canyon Estates! Masterfully crafted and profoundly serene, this expansive estate brings distinctive modernist elements, starting with a charming private courtyard with double entry iron doors, into a grand foyer! This stunning open floorplan boasts; Upgraded Gourmet Granite kitchen with high end appliances; Custom built-in cabinets, slab granite countertops w/custom back splash, Thermador 48" Pro Grand professional range, Modern Air custom fabricated 48" stainless steel hood with polished bands, stainless steel baffles and LED lights, Bosch dishwasher, built in refrigerator, oversized double Franke sink, with many more upgrades! Sought-after downstairs Primary bedroom with state of the art spa style walk in marble shower, with handset and rain shower fixtures. Freestanding tub with marble splash and built out master closet, and view to the gorgeous backyard. Other bedrooms are complimented with their own family/entertainment rooms, and their own full baths. This home even includes an Exercise room! Iron staircase, Custom mill work throughout the entire house; tongue and groove ceilings in living room, and dining room. Custom panel work in living room and dining entry and hallway, triple crown molding in kitchen, and family room. 3" casings on doors and windows, plus 6" baseboards. Navien tankless water heaters, new plumbing fixtures & light fixtures. Beautiful large Casita addition/w 600 sq. ft.! This gorgeous addition gives you both indoor and outdoor living! With; media room, bedroom/+full bathroom, includes a wall of disappearing glass doors, leading to your private custom backyard oasis! Among many other highlights are a professionally maintained landscaping with an Entertainers Dream backyard!; large custom salt water pool with grotto, beach shelf, seating benches, water falls, custom water slide, travertine pool decking, + upgraded pool equipment. Outdoor Pavilion with 4 fixed infrared heaters, 4 new hvac units, ceiling fan, double sink, lynx grill and side burner, fridge, travertine counters, and many other upgrades! Vivint smart home security system with cameras, sensors, smart locks, hvac control. (Two) 2 car Garages! Close to $800,000 in upgrades!! This rare home is on a private cul-de-sac with gorgeous outdoor curb appeal, sitting on a 1/2 acre premium lot! Bring your buyers, this house won't last!