Discover this beautifully upgraded Diamond Bar gem, offering approximately 3,000 sq. ft. of living space (including the 2 flex rooms) on a rare 16,260 sq. ft. lot across 2 parcels—perfect for adding an ADU. With 6 rooms (4 bedrooms &#38' 2 flex rooms) and 3.5 baths, this home seamlessly combines style and functionality. Enjoy breathtaking views from the primary suite, living room, family room, kitchen, and breakfast nook. The first floor features a welcoming guest suite with an en-suite bath, while each upstairs bedroom boasts higher ceilings and modern ceiling fan lighting fixtures. The chef’s kitchen opens to a deck, creating a perfect space for dining with a view. An expanded driveway, RV parking, and an attached two-car garage enhance convenience, along with a laundry/mudroom and recent upgrades completed between 2020 and 2023. Set on a quiet, secluded street, this move-in-ready home is just a short distance from Diamond Bar High, parks, shops, and dining—a fantastic location to create your dream home!