A Mediterranean style single-family home with an ADU, located on a sloping lot in Concord. The 2-story layout follows the lot contours thereby minimizing excavation and grading. All living areas and three bedrooms are located on the main upper level, with two additional bedrooms and garage at the lower level.  An additional gym/office room is located on a mezzanine floor above the garage. The lower level also accommodates a 1000 sf, 2-bedroom ADU with access from the side yard.