Exterior, House Building Type, Wood Siding Material, Metal Roof Material, Gable RoofLine, and Small Home Building Type The space between the ADU and the existing bungalow functions as a communal yard and garden. The lot has on-site parking for two full-size vehicles and a motorcycle.   Photo 18 of 20 in Budget Breakdown: A Portland Couple Design and Build a Compact Home For $222K