PRICE IMPROVEMENT! A rare opportunity to own your own private retreat in the heart of Palomares Canyon, where sweeping canyon views, timeless Spanish-style architecture, and a beautifully terraced hillside create an extraordinary setting. Graceful archways, hardwood floors, terracotta tile, and a dramatic covered loggia overlooking the canyon welcome you into this warm and inviting Castro Valley estate. The thoughtfully designed main residence features 3 primary suites plus a guest bedroom, including a private upper-level retreat and an ADA-accessible roll-in shower. The eat-in kitchen offers generous counter space and storage, while the formal dining room with built-in glass-paneled hutch, dedicated workspace nook, and spacious laundry suite add comfort and functionality. A permitted detached garage with a spacious 1-bedroom, 1-bath ADU expands the possibilities for extended family, guests, a home office, or potential rental income, bringing the total living space to approximately 4,386 sq. ft. The terraced grounds offer endless possibilities for entertaining, gardening, or hobby farming, with room for horses, goats, chickens, with barn. Two gated entrances from Palomares Road provide convenient access while maintaining privacy. Recent improvements include new windows throughout the main residence, fresh interior paint in the main house, and exterior paint on all structures. Experience the beauty, space, and peaceful lifestyle of Palomares Canyon. From I-580, travel 7.2 miles on Palomares,. From Niles Canyon Road, travel 2.6 miles.