Welcome to 2520 Cornerstone Ln, a nearly 2,100 sqft detached residence in Cornerstone, a desirable gated community. Built in 2006 and refreshed with contemporary designer exterior colors in recent years, this New Traditional styled home delivers privacy, scale, and presence of single-family with the ease of a low-maintenance community. Inside, engineered hardwood floors flow through the living spaces, framed by crown molding, recessed lighting, windows shutters, all enhanced by the over 9ft high ceilings. The living room is anchored by a gas fireplace & built-in wine bar with a stainless beverage cooler. The family room adjacent has a brand-new built-in entertainment console and integrated sound system. The kitchen, both polished and practical, features cherry cabinetry with undermount lighting, granite countertops, pull-out shelving, and a chef's dream. All stainless steel GE Monogram appliances spotlighting a six-burner gas cooktop, and a brand-new built-in microwave. Just off the kitchen is a half bathroom ideal for guests. Upstairs, the home offers three bedrooms plus a versatile flex space that can live beautifully as a potential fourth bedroom, or private office with gorgeous built-in wood cabinetry, this room gives the home a rare flexibility for everyday life. The primary suite feels generous & composed, with coved ceilings, a walk-in closet with built-ins, and an ensuite. With dual sinks, granite counters, an oversized soaking tub, a walk-in shower, a separate vanity counter and private toilet closet, this ensuite is a retreat. One of the secondary bedroom opens to its own private balcony, while another includes a Murphy bed desk for added utility. Laundry upstairs is a dream for those who know. Off the hallway is a full bathroom with dual sinks and a separated wash area for add everyday function. Outside, the private stone-paved patio creates a true extension of the home, a pergola-covered water fountain, manicured flower beds, and an outdoor kitchen with grill & griddle for effortless entertaining. The two-car garage has newer epoxy floors, built-in storage & backup house solar battery. Additional features include an owned 22-panel solar system, double-pane windows, central AC, PEX plumbing, 200-amp panel, and a Level 2 Tesla charger. The community also recently refreshed the children's playground and picnic area. The property resides close to the famous South Coast Plaza, major freeways, John Wayne Airport, and is a short drive to the coast.