a rare lifestyle estate on 3.57 all-usable acres in artesian privately gated at the end of a long, tree-lined drive, 16733 calle hermosa presents a remarkable opportunity to own a fully usable estate compound designed for refined living and long-term flexibility. set amid mature citrus groves and expansive, level grounds, this turnkey property blends timeless architecture with resort-inspired amenities and future expansion potential — all within the prestigious artesian enclave of north county san diego. built in 2008 and impeccably maintained, the 5,545-square-foot main residence showcases warmth and craftsmanship through soaring ceilings, oak wood floors, and abundant natural light. a dramatic great room with two-story windows, exposed beams, and multiple french doors creates a seamless indoor-outdoor connection to the covered loggia and sparkling pool beyond — an ideal setting for both intimate gatherings and grand entertaining. the chef’s kitchen is thoughtfully appointed with a 70" frigidaire professional refrigerator, dacor six-burner range, double ovens, dual fisher & paykel dishwasher drawers, walk-in pantry, and inviting breakfast nook, while the main-level primary suite offers a serene retreat with spa-like bath and garden views. complementing the main residence is a 918-square-foot detached guest house featuring a full kitchen, living room, bedroom, and bath — ideal for multigenerational living, visiting guests, or income potential. a separate 529-square-foot pool house with bonus garage space below provides additional flexibility for a wellness studio, creative workspace, gym, or collector’s storage, transforming the property into a true private lifestyle compound. outdoor living unfolds across cantera stone patios, lush lawns, and resort-style amenities including a pool, spa, covered dining areas, and mature landscaping that enhances both privacy and beauty. the 3.57 all-usable acres offer rare versatility, with ample space to envision a pickleball court, vineyard, equestrian facilities, or additional garages — inviting future customization while remaining completely turnkey today. zoned for the san dieguito school district and ideally positioned near coastal destinations, top schools, and major conveniences, this extraordinary offering represents a compelling blend of privacy, flexibility, and enduring value within artesian estates — a setting where timeless design meets limitless possibility.