10935 Osterman Avenue Welcome to this beautifully upgraded home in the highly sought-after gated El Dorado community of Tustin Ranch! Situated on a rarely CUL-DE-SAC street with a large lot offering scenic Peters Canyon views, this meticulously maintained residence offers 4 bedrooms plus a huge bonus room that can easily serve as a 5th bedroom, home office, gym, or media room. Featuring LOW TAXES and NO MELLO-ROOS, this home is truly one of Orange County's hidden gems. Step through the double-door entry into a light-filled interior with soaring ceilings, abundant natural light, and an open, inviting floor plan. The stunning remodeled kitchen is the heart of the home, featuring new kitchen cabinets, Cambria quartz countertops, a large custom center island, built-in microwave, built-in wine refrigerator, new range hood, stainless steel appliances, and abundant storage. Additional upgrades include a water filtration system, water softener, primary bedroom custom closet organizer, new window shutters, new garage door motor, upgraded lighting, custom shades, wrought-iron staircase, and much more. The spacious primary suite offers a luxurious retreat, while the beautifully remodeled bathrooms showcase custom vanities, quartz countertops, frameless glass shower enclosures, subway tile accents, Kohler fixtures, modern tile flooring, and a freestanding soaking tub. Engineered wood flooring spans the main living areas, complemented by modern carpeting in the bedrooms and family room. Additional improvements include upgraded HVAC, water heater, and a precast fireplace surround. Designed for indoor-outdoor living, the oversized backyard features a sprawling stone patio with pergola and a large grassy area, perfect for entertaining, relaxing, or family gatherings. Residents of the gated El Dorado community enjoy resort-style amenities including a pool, spa, BBQ area, tot lot, greenbelts, movie nights, and neighborhood events. Conveniently located near award-winning schools, Peters Canyon Regional Park, Tustin Ranch Golf Club, The Marketplace, premier shopping, dining, entertainment, and just minutes from Newport Beach, Laguna Beach, Fashion Island, South Coast Plaza, and more. Offering an exceptional combination of location, lifestyle, community, and extensive upgrades, this move-in-ready home presents a rare opportunity to own in one of Tustin Ranch's most desirable gated neighborhoods.