Modern Single-Story Retreat with Casita in Rancho La Costa – No HOA  Located at the end of a quiet cul-de-sac in the desirable Rancho La Costa community, this exceptional single-level home blends Palm Springs-inspired design with modern comfort. Built just five years ago on an oversized lot, the property is centered around a stunning resort-style pool and spa, featuring a waterfall, a baja shelf with bubblers, and automated controls accessible from your smartphone, all with no HOA.  The main home features four bedrooms and four full bathrooms. All bedrooms, except one, offer walk-in closets, and the spacious primary suite serves as a luxurious retreat. The kitchen is equipped with smart appliances and a large walk-in pantry, ideal for both everyday living and entertaining. The attached casita includes one bedroom, one bathroom, a living area, a kitchenette with a sink and refrigerator, and its own mini-split A/C system-perfect for guests, multigenerational living, or rental income.  Designed for seamless indoor-outdoor living, the home includes a vaulted ceiling in the living room, 10-foot ceilings throughout, and 8-foot interior doors. High-end finishes include Santa Barbara smooth stucco, skip trowel texture with rounded-edge drywall, Andersen windows, a gas fireplace, and three sets of panoramic bifold doors.  Additional highlights include a built-in natural gas BBQ, outdoor shower, outdoor fire pit, skylights, built-in speakers with distributed music in the main living areas, exterior, and casita, as well as paid solar, Tesla Wall Connector, 4 security cameras, tankless water heaters, a Halo whole-house water filtration system, fire sprinklers, and a hardwired network with multiple WiFi access points for strong, reliable internet throughout.  The low-maintenance backyard features artificial turf, a putting green, room for a trampoline and garden, and a 120-foot dog run, while the front yard is beautifully landscaped with drought-tolerant plants. This truly one-of-a-kind home offers the ultimate in modern California living in one of North County's most sought-after neighborhoods.  Professional video to be posted Saturday.