Rare Rossmoor Highlands Opportunity - Spacious Living with Attached ADU Potential. Welcome to an exceptional opportunity in the heart of Rossmoor Highlands. Designed for multigenerational living or an attached ADU-style investment opportunity, this expansive 6-bedroom, 4-bathroom home offers over 3,100 square feet of living space on a 7,200 square foot cul-de-sac lot, complete with a 3-car garage. Charming curb appeal welcomes you with a brick walkway, covered front porch, and thoughtfully landscaped grounds featuring decomposed granite paths, vibrant greenery, and mature lemon and tangerine trees. Inside, the flexible floor plan offers endless possibilities for comfortable living and entertaining. A front-facing den with a cozy fireplace is perfect for a home office or sitting room. The updated galley kitchen features granite countertops, stainless steel appliances, tile backsplash, and a sunny breakfast nook overlooking the garden. Adjacent dining and family rooms showcase a second fireplace and large sliding doors opening to the private backyard. Outdoor spaces include a covered patio, tranquil garden paths, and a pool and spa ready to be restored into a stunning retreat. The main level is ideal for extended family or private living quarters, featuring a spacious laundry/craft room, a bedroom with backyard access, and two additional bedrooms, including one with an en-suite bath and pool access--perfect for ADU-style living. Upstairs, a large bonus family room with a third fireplace and kitchenette creates an ideal secondary living space for guests, multigenerational living, or rental potential. The spacious primary suite includes a walk-in closet and oversized bath, while two additional bedrooms share a dual-sink bathroom. Located in the award-winning Los Alamitos School District and just minutes from shopping, dining, and coastal amenities, this rare property combines size, flexibility, and location in one of Orange County's most desirable neighborhoods. Endless possibilities await.