Welcome to this fully upgraded and expanded home in one of San Carlos best locations, offering top-rated schools, a high walkability score, and a vibrant community. Boasting 5BED/5BATH and 3,059 SQ FT of refined living space, this residence includes a fully functional 597 sq. ft. ADU with a separate entrance and 4 ensuite bedrooms. Designed for both elegance and functionality, the bright open-concept layout seamlessly integrates the kitchen, dining, and living areas perfect for entertaining. The European-style kitchen features sleek cabinetry and a jaw-dropping waterfall island. The 11.5 FT ceiling family room is bathed in natural light and opens through a 16 FT sliding door to a TREX deck and private backyard. The bathrooms are masterfully designed with wall-to-wall designer tile, heated floors, elegant vanities, LED mirrors, and premium fixtures. Interior upgrades: New energy efficiency Anderson windows, Engineered modern hardwood floors, Reliable rewired and repiped systems, New fresh and contemporary drywall and finishes, Mini-split HVAC in each room, Smart light switches for effortless control. Situated in the heart of San Carlos, just moments from downtown, top-rated schools, parks, and dining, this move-in-ready home combines modern luxury with unmatched convenience.