are separate dwelling structures located on a lot with one main residential dwelling structure and used for housing of family and shall not be sold separately from the main residential structure and are subject to the area square feet, width and location requirements for two-family dwellings in the applicable zone. The casita is for the use of family members of the owners of the main dwelling that are within three degrees of consanguinity. Mobile homes, trailers, RVs, campers, and any other temporary buildings and/or vehicles may not be used as a casita. A casita shall only be permitted on lots with an existing owner-occupied single-family dwelling or where a permit has been issued and construction is in progress for building a single-family dwelling. Only one casita shall be permitted per lot of record. The minimum width at the narrowest point of a casita shall be no less than 20 feet. The construction, design and appearance of the casita shall match or exceed the existing home, as well as the neighborhood or adjoining homes. The casita shall be located outside of all setback areas of the main residential dwelling; side yards, back yard, etc., of the main dwelling and shall be located so that the casita has at least the same minimum setbacks, side yards, etc., as are required for any other dwelling in the zone. The casita shall meet the setback requirements required for the main dwelling. The property where a casita is located shall not exceed 40 percent of the total lot area. Additionally, a covenant running with the land shall be recorded in the county recorder's office that the casita shall be used only for the housing of family, and not sold or taxed separately from the main residential structure, until such time the lot is legally subdivided in accordance with city ordinances. See "Family" in Chapter
17.10 NCC, Definitions.