True Luxury Living! City Lights and Snow Mountain Views! Pool & Spa! Located in the quiet and desirable Sycamore Heights of Chino Hills, this beautifully Exceptional Upgraded home with 4-bedroom, 3-bath offers 3,530 sqft of refined living space on a 6,969 sqft lot, combining comfort, privacy, and resort-style outdoor living. The main level features a private office that can easily function as a 5th bedroom. A gated front courtyard welcomes you with elegant wrought iron entry and a custom water feature wall, creating a warm and inviting first impression. Upon entry, the home opens to spacious living and formal dining areas filled with natural light. Both the living room and family room feature beautifully designed fireplaces, adding warmth and architectural character. Family room with beamed ceiling and built-in media center. The gourmet kitchen is equipped with custom two-tone cabinets, center island, stunning natural quartzite stone countertops, premium stainless-steel appliances, including, built-in Sub-Zero refrigerator, Thermador 6-burner cooktop, built-in microwave and oven. The primary suite offers a large retreat area, walk-in closet. The primary bathroom with dual sinks, soak bathtub, separate shower room with frameless glass enclosures. A built-in study/work station is conveniently located along the hallway, perfect for work or study needs. Additional bedrooms are well-appointed, and a spacious bonus room provides an ideal setting for a secondary family area, media room, entertainment space or can be converted as a 6th bedroom. Other notable features including, a newer HVAC system, custom two-tone paint, wood shutters, crown moldings, custom chandeliers, ceiling fans, recessed lights, and newer garage door. The backyard is designed for both relaxation and entertaining, featuring saltwater pool & spa, fully covered high-quality patio, built-in BBQ island and outdoor fireplace, for a more refined outdoor living experience. Enjoy the exceptional privacy with no rear neighbors, along with breathtaking city lights and mountain views. Professionally landscaped gardens, lots of palm trees and flowers. Excellent Chino Hills schools! This home showcases quality craftsmanship and high-end materials throughout, offering a level of finish and detail rarely seen in homes within this price range.