Welcome to 22187 Westcliff, a beautifully upgraded custom estate located on a quiet cul-de-sac in the prestigious guard-gated community of Canyon Crest in Mission Viejo. Offering approximately 4,800 square feet, this exceptional home features 5 bedrooms, 4.5 bathrooms, including a private upstairs apartment complete with a bedroom, full bath, bonus room, kitchenette, walk-in closet, and storage-ideal for multi-generational living, guests, or a private office. A separate downstairs bedroom with an en-suite bath and private entrance adds even more flexibility. The home showcases soaring ceilings, elegant millwork, travertine flooring, Milgard dual-pane windows and French doors, paid solar, and an oversized three-car garage with epoxy flooring. The chef's kitchen opens to inviting living spaces designed for comfortable everyday living and effortless entertaining. The private backyard is beautifully landscaped and features a remodeled pebble spa, fire pit, and multiple outdoor entertaining areas. Residents enjoy Canyon Crest's exceptional resort-style amenities, including 24-hour guard-gated security, three pools and spa, tennis and pickleball courts, fitness center, clubhouse, playground, picnic areas, and community events. Ownership also includes membership to Lake Mission Viejo, offering private beaches, boating, fishing, paddleboarding, summer concerts, and year-round recreational activities. Ideally located near award-winning schools, parks, shopping, dining, and major freeways, this remarkable home offers the perfect blend of luxury, comfort, and the Southern California lifestyle.