Welcome to 13781 Breeders Cup, a remarkable 5,599 sq. ft. custom estate in the prestigious Ironwood Estates, located in the highly sought-after Etiwanda premier neighborhood. This 6-bedroom, 6.5-bathroom home includes a spacious loft that has been converted into a movie theater room also a dedicated office with potential for a 7th bedroom (buyer to verify), ideal for multigenerational living, remote work, or growing households. House is equipped with a full surround sound system throughout the entire house. Designed for luxury and functionality, the home features original kitchen cabinetry with deep slow-close drawers, a gourmet kitchen with Thermador appliances, double oven, 6-burner stove with pot-filling faucet, and walk-in/butler's pantry, making it a chef's dream. Additional highlights include dual staircases, multiple fireplaces, game/hobby room, and a guest suite perfect for in-laws or visitors. Modern upgrades include a central vacuum system and Tesla solar panels with battery storage. Step outside to your private resort-style backyard, designed for entertaining and everyday enjoyment. Enjoy a stunning pool with slide and approximately 9-foot-deep diving area, built-in BBQ with serving area for four, two outdoor fireplaces to keep guests warm in winter, a basketball hoop, and a private golf practice area. Take in sweeping views of city lights to the south and surrounding mountains from your private balcony to the North. This original-owner, turn-key estate is a rare opportunity to combine space, style, and lifestyle in one of Rancho Cucamonga's premier locations.