Discover an elegant Silverthorne Spanish estate located in East Simi Valley. Situated in a prime cul de sac with approx 25,000 sq ft & backing up to open space give the homeowner a neighborhood feel with ultimate privacy. You will be drawn in by the mature palm trees that frame the home while custom hardscaping, exterior lighting welcome your guests. The tranquil sounds of the fountain set a relaxing mood under the grand arches in the front courtyard. The property offers generous parking, including a porte cochere and gated RV access next to the 3 car garage. Step inside to soaring ceilings, abundant natural light, and custom details including a stunning tile staircase with ornate wrought iron railings. The light and airy formal living room is adorned with a grand fireplace and large windows, while the adjacent formal dining room includes a custom niche ideal for serving or storage. For added convenience the butlers pantry connects the dining room to the heart of the home which is the chefs kitchen. Maple cabinetry, granite counters, stainless appliances including gas cooktop, double ovens & built-in microwave are the backdrop to the large center island with a breakfast bar. For all of your cooking essentials and snacks, the oversized pantry will provide all the storage you could want. The kitchen flows seamlessly into a bright breakfast nook and a warm inviting family room with a fireplace, recessed lighting, custom shelving, surround sound, and direct access to your entertainer's paradise backyard. Upstairs discover three generously sized guest bedrooms-two connected via a Jack & Jill bathroom. The spacious loft leads you to flex space perfect for a gym, library or play area. The luxurious primary suite rivals those found in a 5 star hotel. This private retreat is complete with a sitting area, cozy fireplace, built-in bookshelves, balcony access, and a spa-like en suite bath with dual vanities, soaking tub, separate shower, and large walk-in closet. Separate but connected by an outdoor bridge walkway you will find a casita that can host long term guests, an office or studio. In your backyard oasis find a gated pool/spa with beach entry, built-in BBQ, firepit, expansive lawn, and multiple sitting areas. Highlights of this estate include 5 bedrooms including 1 downstairs with a full bath, a family friendly neighborhood with hiking trails, solar panels, and much more! It's the total package of comfort, sophistication, and outdoor luxury.