Urban agricultural zones. Provides that a qualifying farmer may apply to a designating body to have an area designated as an urban agricultural zone. Provides that the term "urban agricultural zone" does not include rooftop gardening or farming practices that occur on the top of a building or residential home. Provides that a designating body, before designating an area as an urban agricultural zone, must hold a public hearing and allow for public comment. Provides that a designating body may exempt lands located partially or wholly within an urban agricultural zone from property taxation. Specifies that a designating body may not impose a special benefit tax for public services provided to an urban agricultural zone, unless the designating body imposed the special benefit tax before it designated the area as an urban agricultural zone.