Welcome to one of Southern California's most extraordinary legacy estates. Spanning nearly 40 acres in the prestigious equestrian community of Murrieta, this exceptional property backs directly to the National Forest, offering unmatched privacy, panoramic mountain and valley views, direct access to miles of scenic riding trails leading toward the Pacific Ocean, and no HOA. The custom 4,486 sq. ft. main residence features 3 bedrooms, a private office, 4.5 bathrooms, multiple fireplaces, expansive living spaces, and a gourmet chef's kitchen complete with an 8-burner professional cooktop, oversized island, butler's pantry, wet bar with wine refrigerator, formal dining room, secondary dining area, and outdoor kitchen. Designed for seamless indoor-outdoor living, the resort-style backyard showcases a pool and spa with a Fastlane swim system, fire pit, and multiple entertaining areas overlooking breathtaking views. A thoughtfully designed covered breezeway connects the garage to the main residence. The detached 1,064 sq. ft. guest house offers 2 bedrooms, 1.5 bathrooms, a private laundry room, walk-in tub, its own septic system, and ideal accommodations for guests or multigenerational living. Designed with equestrian enthusiasts in mind, the estate features a professionally built 9-stall horse barn connected to expansive fenced turnout paddocks, direct trail access, and ample room for a professional riding arena, orchards, vineyards, or additional agricultural uses. Additional amenities include two private wells, fully paid solar, RV parking with water and electrical hookups, a fully lined pond with fountain, dual aeration systems, underwater fish habitat, duck house, mature landscaping, producing wine and grape vineyards, vegetable gardens, private mountain roads, a scenic hilltop pavilion, abundant storage, and the community's only private recreational shooting range. Since 2020, over $1.6 million has been invested in extensive improvements, including grading, irrigation, vineyard development, horse facilities, roads, guest house upgrades, landscaping, and outdoor entertaining spaces. The nearly 40-acre property also offers potential future subdivision into additional parcels, subject to county approval. Conceptual plans for future residences and a luxury wine cellar are available. Seller is willing to include select equipment and vehicles, creating an exceptional turnkey opportunity.