Welcome to 28581 Big Springs, a beautifully upgraded home nestled in the highly desirable Antigua tract in Portola Hills. Featuring a spacious and versatile floor plan with 4 bedrooms, a bonus room, and 3 full bathrooms - including a convenient downstairs bedroom and full bath - this residence offers the ideal blend of comfort, style, and functionality for modern living. Step inside to soaring vaulted ceilings, abundant natural light, and an open-concept layout designed for both everyday living and effortless entertaining. The remodeled kitchen is the heart of the home, showcasing quartz countertops, Viking stainless steel appliances with built-in refrigerator, farmhouse sink, pendant lighting above center island, designer tile backsplash, a large walk-in pantry, and seamless flow into the spacious family room. Luxury vinyl plank wood flooring extends throughout the downstairs living areas, creating a warm and cohesive feel. The inviting family room features a beautifully remodeled fireplace with custom mantle, while the dedicated laundry room includes added storage and a utility sink for everyday convenience. Upstairs, the spacious primary suite with retreat, secondary bedrooms, and study loft provide flexible living space ideal for a media room, playroom, home office, or home gym. Designed to embrace Southern California indoor-outdoor living, the private backyard retreat is lushly landscaped and ideal for entertaining, complete with a built-in BBQ, spacious patio areas, and a remodeled spa with updated tile finishes. Additional upgrades include garage epoxy flooring, solar panels, and an electric vehicle charger for energy-efficient living. Located in one of South Orange County's most sought-after neighborhoods near Whiting Ranch Wilderness Park, residents enjoy nearby pool, hiking and biking trails, award-winning schools, and convenient access to shopping, dining, and toll roads. This move-in ready home offers the perfect combination of upgraded living, privacy, and location.