Quality built Greenbriar home located on a cul-de-sac in Country Chateau Estates. This impressive home offers 5 bedrooms, 4.5 baths and an office in the main house. Separate one bed/one bath apartment above the garage which can be used as Guest Quarters for In-Laws or Au Pair. Total 6 bedrooms 5.5 Baths. Formal living and dining room. The chef's kitchen features a large center island with bar seating, 6 burner gas built-in range, double ovens, walk in pantry, stainless appliances as well as dining nook. Beautiful Marble floors in most areas downstairs. Open concept floor plan with kitchen opening to spacious family room overlooking very private and huge backyard that is ideal for entertaining. Guest suite, full bath and office on first level. The upper level includes total 4 bedrooms, an incredible master suite complete with an expansive master bath. 3 car garage. Views of Mt Diablo.