As used in this chapter:
(1) "Agricultural structure" means a structure designed and constructed to house farm implements, hay, grain, poultry, livestock, or other horticultural products. This structure may not be a place of human habitation or a place of employment where agricultural products are processed, treated, or packaged, nor may it be a place used by the public.
(2) "City" means a city or town.
(3) "Commercial building permit" means a building permit issued by a city or a county to construct, enlarge, alter, repair, move, demolish, or change the occupancy of any building not covered by a residential building permit.
(4) "Multifamily residential building" means common wall residential buildings that consist of four or fewer units, that do not exceed two stories in height, that are less than five thousand square feet in area, and that have a one-hour fire-resistive occupancy separation between units.
(5) "Residential building permit" means a building permit issued by a city or a county to construct, enlarge, alter, repair, move, demolish, or change the occupancy of any building containing only dwelling units used for independent living of one or more persons including permanent provisions for living, sleeping, eating, cooking, and sanitation, and structures accessory to dwelling units, such as detached garages and storage buildings.
(6) "Temporary growing structure" means a structure that has the sides and roof covered with polyethylene, polyvinyl, or similar flexible synthetic material and is used to provide plants with either frost protection or increased heat retention.