A Rare and Remarkable Opportunity at the Base of Turnbull Canyon in Hacienda Heights! Welcome to one of the most unique and versatile properties in all of Hacienda Heights. Nestled at the highly desirable base of Turnbull Canyon, this exceptionally private estate sits on nearly one full acre of flat, usable land. The expansive residence offers over 4,000 square feet of living space with 6 bedrooms and 4 bathrooms, thoughtfully designed for multi-generational living, income potential, or large extended families. Home has a spacious and functional layout featuring two kitchens, including a beautiful main kitchen with granite countertops and a massive center island that opens to the family and dining areas. A formal living room and an additional oversized family room provide abundant space for entertaining. All three main living areas overlook and provide direct access to the stunning backyard. The converted garage includes a private one-bedroom, one-bath guest quarters with separate access - perfect for guests, rental income, or independent living. The garage space itself has been freshly painted, including the floors, and also features a separate potential bedroom and bath configuration. Upstairs, you'll find two generously sized bedrooms connected by a newly remodeled Jack-and-Jill bathroom. The luxurious primary suite is truly a retreat of its own, featuring vaulted ceilings, an expansive bedroom, a massive private retreat (large enough to function as an additional bedroom), and a spa-like bathroom complete with soaking tub, dual sinks, and vanity area. Enjoy the view from the private balcony. With its thoughtful layout, this home could easily function as three separate living quarters. The grounds are just as impressive: It has a beautiful VIEW of the mountains! Fully operational tennis court, Huge flat grassy area, Expansive concrete patio, Serene pond, Fire pit area, Two large storage sheds, Fully fenced perimeter, Abundant parking with room for RVs, boats, or multiple vehicles, automatic gate to access the home. Many mature fruit trees: kumquats, persimmons, guava, oranges, tangerines, lemons, makrut limes, bananas, and avocados! The possibilities here are endless - add a pool, build an additional ADU, expand outdoor amenities, or create your own private compound. Conveniently located near shopping, restaurants, transportation, Hsi Lai Temple, and just minutes from freeway access.