Perched atop a scenic knoll with sweeping west-facing views toward Sonora and valley city lights, this exceptional custom estate offers quality craftsmanship, versatile living spaces, and outstanding vehicle storage on a beautifully maintained property. The 2,951 sq. ft. main residence was thoughtfully constructed with 2x6 framing, ten-foot ceilings throughout, Milgard dual-pane windows, and an open-concept design that blends comfort and functionality. The spacious kitchen is designed for both everyday living and entertaining, featuring abundant cabinetry, granite countertops, a large island with gas cooktop, built-in desk, bar area with new under-counter refrigerator, and new GE Cafe dishwasher and built in 42" refrigerator. The adjoining family room showcases custom built-in cabinetry, a striking black marble gas fireplace, and expansive windows overlooking the pool area and backyard. A formal dining room or den enjoys front-facing views and features an accent ceiling with fan. The luxurious primary suite is truly impressive, offering an oversized bedroom, extensive walk-in closet with custom built-ins, and a spa-inspired bath complete with corner stone shower, jetted tub, and a dramatic double-sided gas fireplace shared between the bedroom and bath. Two additional bedrooms, a full guest bath, and a spacious laundry room with abundant storage and half bath complete the main home. Ideal for multigenerational living, guests, or potential rental income, the detached 495 sq. ft. cottage features a living room, kitchenette, bedroom, full bathroom, mini-split heating and cooling, gas fireplace, dedicated propane tank, and abundant windows that capture the property's beautiful setting. Car enthusiasts, RV owners, and hobbyists will appreciate the impressive 1,472 sq. ft. detached shop/RV garage. Designed with over 13-foot ceilings, the building accommodates a 38-foot motorhome plus up to four additional vehicles. Features include oversized roll-up doors, multiple 50-amp RV hookups, and a convenient half bath. The grounds offer a peaceful park-like setting with ample usable land, mature landscaping, multiple granite outcroppings, and room for future expansion, recreation, or additional improvements. A rare opportunity to own a custom-built estate that combines panoramic views, flexible living arrangements, and exceptional shop and RV storage in one remarkable Sonora property. Pre-inspections available.