Elegant and Upgraded brock home; Situated in the prestigious Diamond Bar with a huge backyard. Double door open to the foyer, living room, and formal dining room with cathedral-high ceilings. Spacious family room with cozy fireplace and wet bar. The gourmet kitchen features custom cabinets, granite countertops and built-in appliances, and a walk-in pantry. The breakfast nook can overlook the large backyard. Luxurious master suite with vanities, retreat area, his and hers walk-in Closet. Master bathroom with bathtub and separate shower. Newer remodeled all bathrooms with granite countertops.  The entertaining backyard features professional landscaping, the potential can build ADU or a swimming pool to relax and enjoy. 4 bedrooms + large bonus room (used to 5th bedroom) Recessed lighting and wood shutters throughout.  3 car garage. Central air and heating system. Excellent award-winning Walnut school district. Quest Cul-De-Sac neighborhood. Close to the park, shopping center, bank, and schools. Original owner, first time on the market. seller is motivated.