Serenity abounds in this picturesque canyon property on historic Palomares Creek, Castro Valley. With acreage and stunning natural surroundings, this is the perfect setting for your forever home. A spectacular architectural masterpiece awaits you amidst tranquility and the beauty of nature. 5.5 acres total land area including an approximate 30,000+ Sq ft front lot in Walnut trees, ready for your development, such as potential residential structure, ADU, vineyard, tennis courts, etc. Electronically gated, quaint bridge over the creek delivers you, your family and guests to the park-like setting for the residence. Exceptionally well built 4,069 Sq ft custom dream home with breath taking entry, formal dining, formal high beamed living room, high beamed family room and a secondary family room easily converted to a 4th bedroom as originally designed. Modern kitchen adjoining family room with gorgeous views of pebble-tec pool, rear large enclosed garden and magnificent natural heavily treed canyon hills. Private primary suite with high beamed ceiling, front garden views, large bathroom, walk-in closets and exercise area. One mile to the 580 Freeway provides easy access to the outside world!