WELCOME HOME to this private updated gem in Concord! The attached en-suite provides a fully separate living area, bathroom and kitchenette, offering either multigenerational living or income potential. Set in one of the most exclusive neighborhoods of the East Bay, this contemporary beauty has been meticulously cared for by the original owner and has more appealing features than you can imagine: expandable indoor/outdoor living with foldable glass door, the rentable en-suite unit with exterior access and a kitchenette, bathroom and living space, new quartz counters in the kitchen, no HOA or Mello Roos, a designer gas liner fireplace in the family room, hardwood, marble, and luxury vinyl flooring, a half-acre private lot, large bedrooms with views of Mt. Diablo from the master suite, 3-car garage, and more. The backyard is a dream for family time, entertaining or relaxing. The built-in BBQ, water fountain, shade arbor, and extensive grass and plants create an atmosphere that was intentionally set up to enjoy the outdoors. This home is also in close proximity to Mt. Diablo State Park, nearby shopping, and the Clayton trail system. Don't miss the best of East Bay living!