As far as the process goes, the architecture firm or individual that you choose will start with concept drawings and finish with construction drawings and documents. Some firms even design with 3D renderings and videos, but that should not be assumed. One of the most important duties of a residential architect is to serve as managers and supervise most aspects of construction, as well as facilitate communication between all other contractors, so you can expect them to be present throughout the entire building process to ensure everything is executed as planned.