Custom Built Estate located in the prestigious gated community of Greenbrier. Greenbrier is a private community nestled in the Hayward Hills, containing 33 custom built homes, this community is like no other. The Estate sits on a beautifully landscaped acre lot with partial Bay Views. An entertainers dream! With a 3-car attached garage, extended driveway and detached 6-car garage, this property is a car collectors dream! The 2,000 sq ft detached garage showcases an art studio, workshop, car lift, half bathroom and ample storage space. The ability to transform the garage into an in-law unit/ add a 2nd story is easily obtainable. The home has an expanded floor plan including a formal living room, dining area, kitchen- family room with a gas fireplace, bedroom, full bathroom and laundry room on the first level. Upstairs includes a guest bedroom, full bath off the hall and the primary suite with en suite bathroom and walk-in closet. Minutes from Stonebrae and easy access to HWY 580/680.