A "household" refers to all persons occupying a housing unit as their primary place of residence. Your domicile is the state of your permanent home, or the state you consider your home whenever you are elsewhere.Your domicile is an important place. These rules shall be known and cited as the Local Rules for the Superior Court of. California, County of Contra Costa. (2). No person shall establish or operate a short-term rental in the unincorporated area of the county without first obtaining a permit as provided in this chapter.