4301 UPPER UNION ROAD Welcome to this beautifully updated one-story Baldwin Park residence, ideally situated in the heart of the community between parks, playgrounds, and resort-style pools. Offering 3 bedrooms, 2 bathrooms, a private office/den (easily converted to a 4th bedroom), and an exceptional detached guest apartment, this home combines luxury, flexibility, and an unbeatable location. Spanning 3, 107 square feet, including an 840 square foot fully remodeled apartment above the 3-car garage, this property provides endless possibilities. The private apartment features 1 bedroom, 1 bathroom, a full kitchen, laundry area, private entrance, and dedicated garage space - perfect as an in-law suite, guest retreat, home office, or income-producing rental opportunity. Inside the main home, rich wood flooring flows throughout a bright and open split bedroom floor plan. The gourmet kitchen is designed for both everyday living and entertaining, featuring quartz countertops, a spacious 7-foot center island with bar seating, 42-inch cabinetry, a Miele induction range, Asko dishwasher, Viking wine refrigerator, and updated Café refrigerator and microwave. The kitchen opens seamlessly to the expansive family room, where tray ceilings and abundant natural light create a warm and inviting atmosphere. The spacious primary suite offers a true retreat with wood floors, tray ceiling, professionally designed walk-in closet, and French doors leading to the outdoor living space. The renovated primary bath showcases an oversized glass-enclosed shower, dual sink vanity, and designer finishes. This home opens to a private backyard oasis designed for entertaining and relaxation. Enjoy the brick paver patio, outdoor grill, fire pit, above-ground spa, artificial turf, and lush landscaping that provides privacy and year-round enjoyment. Recent improvements include a new roof (2022), tankless water heaters (2022), interior paint (2022), exterior paint (2025), plantation shutters throughout, professionally designed closets, and a completely remodeled garage apartment. Location is everything, and this home delivers. Just steps from Corrine Commons Park, Union Park playground, one of Baldwin Park's three community pools, fitness center, and highly rated schools. Enjoy a short stroll to Baldwin Park Village Center with its restaurants, shops, Publix, and CVS. Audubon Park Garden District, Mills 50, and Park Avenue are all less than 15 minutes away. Move-in ready and offering the rare combination of a premium Baldwin Park location, extensive updates, and a separate income-producing guest apartment, this exceptional home truly has it all.