Welcome to your ADU or pool potential dream home at 25681 Santo Drive, a beautifully updated single-story residence in Montanoso, a La Paz subdivision of South Mission Viejo. This charming 1,675 sq. ft. home combines modern amenities with classic comfort. It offers a 13,908 sq. ft. private serene retreat perfect for families and entertaining. As you approach this Spanish-style home, you'll be greeted by lush landscaping and a custom-paved driveway leading to a spacious two-car garage. The curb appeal reflects pride of ownership throughout the home. Enter through the custom wooden door and be greeted by an open floor plan, highlighted by wood-like tile flooring that flows from room to room. The living room, with vaulted ceilings, textured walls, recessed lighting, and a large sliding patio door, creates a bright, airy atmosphere. Enjoy cozy evenings by the fireplace or natural light flooding the space during the day. The updated kitchen is a chef's delight with Quartz countertops, stainless steel appliances, a reverse osmosis water filter, abundant storage with custom-built-in and Shaker cabinetry. The spacious island is perfect for casual dining, meal prep, or gathering. The home offers four generously sized bedrooms, each designed for comfort. A home office, with views of the manicured, water-conserving landscaped backyard. The primary suite offers an en-suite bathroom with custom tile, frameless glass shower doors, dual shower heads, and a tranquil view of the backyard through a large sliding door. Step outside to discover your private backyard oasis, or enjoy the view from the comfort of your bedroom. The outdoor space features a fire pit and a spacious patio for alfresco dining or summer barbecues. Well-maintained landscaping provides a lush backdrop for outdoor activities, whether hosting gatherings or enjoying quiet evenings under the stars. This home includes additional features such as a laundry room, newly installed solar system, a whole-house water filter, and energy-efficient windows in the kitchen and family room. Located just a short drive from Lake Mission Viejo, Montanoso Community Recreation Center, top-rated schools, and shopping centers, this home offers easy access to outdoor activities like hiking, biking, and picnicking by the lake. With no HOA fees and optional membership to Lake Mission Viejo, 25681 Santo Drive is the perfect backdrop for your next chapter in beautiful Mission Viejo!