3480 Mountainside Circle Welcome to this beautifully maintained former model home located in the highly desirable Sierra Del Oro community. This stunning 4-bedroom home sits on a quiet cul-de-sac and offers exceptional comfort, style, and functionality. UPGRADES INCLUDE: Brand new kitchen cabinets, quartz countertops, and upgraded wet bar. Brand new stainless steel appliances. Bathrooms being remodeled with new cabinets and countertops. New carpet throughout the upstairs and staircase Step inside through a formal entry to a spacious Living Room with soaring cathedral ceilings, beautiful wood flooring, and abundant natural light. The open-concept Family Room is perfect for everyday living and entertaining, featuring a cozy fireplace and seamless flow into the Kitchen. The Kitchen is offering stainless steel appliances, a garden window, breakfast nook, walk-in pantry, and a wet bar—now being fully upgraded to elevate both style and function. Upstairs, you’ll find the Primary Suite a peaceful retreat with an ensuite bathroom featuring a soaking tub, separate walk-in shower, dual-sink vanity, and a spacious walk-in closet. Bedrooms 2 and 3 are generously sized, while Bedroom 4 offers built-in floor-to-ceiling display cabinetry perfect as a bedroom, home office, or flex space. Additional conveniences include 2 full bathrooms and a separate Laundry Room. Enjoy breathtaking sunset views from your private tropical backyard oasis, complete with lush mature landscaping, covered patio ideal for outdoor dining, raised planter beds, and a storage shed. The 3-car attached garage features epoxy flooring and a built-in workbench ideal for storage and hobbies. Easy access via the Green River exit the first exit to Yorba Linda and Anaheim Hills—with quick connections to the 91 Expressway, 241 Toll Road, and 71/55/57/15 freeways. Nearby amenities include shopping, dining, parks, golf courses, hiking trails, and a splash pad. Don't miss the opportunity