Welcome to 11902 Martha Ann Dr., a beautifully updated Ranch model nestled on a quiet, tree lined street in the highly sought after community of Rossmoor. Offering 3 bedrooms, 2 bathrooms, and approximately 1,423 square feet of thoughtfully designed living space on an expansive 7,840 square foot lot, this home seamlessly blends timeless charm with exceptional indoor outdoor living. From the inviting covered front porch, perfect for morning coffee or relaxing evenings with neighbors, to the light filled interior featuring beautiful hardwood floors and an effortless, flowing floor plan, every space has been designed for comfortable everyday living and entertaining alike. Large windows fill the home with natural light, creating a warm and welcoming atmosphere throughout. Thoughtful improvements include a new whole home water filtration system, providing filtered water throughout the entire home. The true showpiece is the spectacular backyard oasis. With over $200,000 invested in creating a private resort style retreat, this incredible outdoor space features a brand new pool and spa, an expansive outdoor kitchen and built in BBQ designed for the serious chef, generous bar seating, a large sauna, extensive custom hardscape, lush professional landscaping, a covered patio, and a spacious side yard. Whether hosting unforgettable summer gatherings or unwinding in your own private retreat, this backyard offers an unparalleled lifestyle. Additional highlights include an attached two car garage, an oversized driveway, and coveted RV parking, providing exceptional convenience and flexibility. Known for its tree lined streets, strong sense of community, and exceptional schools, Rossmoor remains one of Orange County's most sought after neighborhoods. Ideally located within the award winning Los Alamitos Unified School District, the home is just moments from Weaver Elementary School, consistently ranked among the top 1% of elementary schools in California. Enjoy nearby parks, shopping, dining, convenient freeway access, and the beaches of Orange County just minutes away.