5 Calle Arcos Discover the Largest Lot in the Tract! Welcome to your dream home in the highly sought-after California Tesoro tract of Rancho Santa Margarita. This property features the largest lot in the area, with a long driveway for up to six cars and an expansive, beautifully landscaped backyard—perfect for entertaining. Enjoy one low HOA, no Mello Roos, and low property taxes, all while being near award-winning schools and a community park. Inside, the split-level floor plan offers plantation shutters and hardwood flooring throughout, with a spacious living area, two secondary bedrooms, and a full bathroom downstairs. Upstairs, you'll find a large master bedroom and an upgraded kitchen with granite countertops and a walk-in pantry. The kitchen opens to a generous dining and living room, all overlooking the entertainer’s backyard—ideal for adding a pool! Plus, you’ll have access to RSM’s fantastic amenities, including four Olympic-size pools, parks, trails, tennis and basketball courts, and the RSM Beach Club Lagoon.