Nestled on over 3 acres in Simi Valleys exclusive Big Sky community, this exceptional custom built estate offers rare privacy, luxury finishes, and thoughtful design throughout. The single story main residence features 4 spacious bedrooms and 5 bathroomsincluding private en suite bathrooms for each bedroom, offering comfort and privacy for all. Each bedroom also features a custom walk in closet and ceiling fan. Rich hardwood floors, vaulted ceilings, and crown molding elevate the living spaces, while the open concept layout flows seamlessly from the formal dining room and butlers pantry to the expansive living room with a stacked stone fireplace and tri fold doors that open to the entertainers backyard. The chefs kitchen includes high end appliances, a walk in pantry, farmhouse sink, oversized island, and custom cabinetry. A versatile bonus room with its own fireplace is perfect for a home office or guest space, and a well appointed mudroom/laundry room includes built ins and a sink. Outside, enjoy a sparkling pool and spa, a full vegetable and herb garden, and multiple producing fruit treesall backing to open space with no rear neighbors. Above the detached 3 car garage is a beautifully upgraded 1 bedroom, 1 bath apartment with a full kitchen, in unit laundry, A/C, tankless water heater, and sweeping viewsideal for guests, older kids, or rental income. With a convenient full bathroom inside the garage and over 3 acres that provide outstanding ADU potential, and with a location that feels tucked away yet is just minutes from shopping, dining, and freeway access, this is a rare opportunity to own one of Big Skys most desirable custom homes.