Experience premier Northern California ranch living at this exceptional 40-acre gated estate in the highly sought-after Clements area. Designed as a private, multi-functional compound, the property features two custom residences, an established income-producing vineyard, and a fully equipped equestrian facility, all surrounded by rolling vineyards, lakes, oak-studded grounds, and sweeping Sierra Nevada views. A grand entrance leads past a 15-acre producing Teroldego vineyard with management and harvest contracts in place, offering immediate income and long-term agricultural value. The lakefront main residence spans over 3,300 sq. ft. and showcases vaulted ceilings, Venetian plaster walls, multiple fireplaces, and a chef's kitchen with granite countertops, skylights, and premium appliances. Spa-inspired amenities include jetted tubs, walk-in closets, and a custom entertainment system, complemented by smart home features, solar, and natural gas. Expansive patios and an outdoor fireplace create seamless indoor-outdoor living with tranquil lake views. An oversized three-car garage with full bath is connected via breezeway. The second residence, approx. 2,300 sq. ft. with its own gated entrance and address, offers 4 bedrooms (3 ensuite) and 3.5 baths, a well-appointed kitchen with granite counters, new range, large island with warming oven, and open-concept living spacesideal for multi-generational living or rental income. Equestrian and agricultural amenities include multiple barns and outbuildings with up to 18+ stalls, tack rooms, grooming and wash areas, hay storage, irrigated pastures with pipe fencing and turnouts, plus a riding arena. Additional features include a 36x60 RV garage with full hookups, multiple shops, and extensive storage for equipment and recreational use. With direct access to the Mokelumne River for fishing and kayaking, this one-of-a-kind estate offers unmatched versatility, privacy, and lifestyleideal as a legacy ranch, income-producing vineyard, or premier equestrian property.