Enchanting & exquisite, one of a kind Eichler home in Castro Valley's Greenridge neighborhood. Extraordinary 4 bedroom, 3 full bath mid-century modern masterpiece that redefines the wow-factor. Built in 1960, and reimagined in 1974 by the original architecture firm of Emmons & Jones, this unicorn of an Eichler boasts over 3,000 square feet per tax records, and over 3,300 measured square feet of living space including a massive primary suite with wardrobe, and Malm fireplace. Respectfully updated & upgraded in all the right places while keeping all the original features intact including open air atrium entrance, unpainted ceilings, mahogany paneling, wood burning fireplace in the great room, & original globe lighting, with 3 remodeled bathrooms including high end designer fixtures, and a chef's kitchen with massive ceramic tile island, tons of storage space, premier GE CAFE appliances, beverage fridge, ice maker, and a rare gas range. Updated systems as well including electrical, heating, sewer lateral, and an insulated foam roof! All situated on a massive and private lot of almost 15,000 square feet with courtyard, separate office, playhouse, 90 feet of new redwood fencing, & a gorgeous manicured & irrigated yard that's ideal for entertaining throughout the year!