Tucked away at the end of a tranquil cul-de-sac in coveted Westside Alamo, this newly completed custom estate by renowned local builder Mark One Development showcases exceptional craftsmanship, sophisticated design, and timeless luxury. Situated on a sprawling, level 0.53-acre lot with direct access to the Iron Horse Trail, the approximately 6,129-square-foot main residence offers 5 bedrooms, 4.5 bathrooms, a private office, and versatile bonus room. Soaring ceilings, wide-plank hardwood floors, expansive windows, and exquisite designer finishes elevate every space. The breathtaking great room features vaulted ceilings, exposed wood beams, a striking fireplace, and custom built-ins, flowing seamlessly into a spectacular chef's kitchen with an oversized island, professional-grade appliances, two-tone cabinetry, elegant stone countertops, and walk-in pantry. Additional highlights include an elegant formal dining room, glass-enclosed wine display, and designer powder room. The luxurious primary retreat boasts a sitting area, stone-clad fireplace, and spa-inspired bathroom with soaking tub, oversized shower, and custom dual vanities. Designed for quintessential California indoor-outdoor living, the resort-inspired grounds feature covered entertaining areas, manicured lawns, sparkling pool, and a detached 710-square-foot pool house with full bathroom and expansive glass doors. An oversized 3-car garage completes this extraordinary estate, ideally located near downtown Alamo and Danville, scenic trails, shopping, dining, and top-rated schools.