The Harvey County Planning, Zoning and Environmental Department oversees land use and development in Harvey County with the coordination of the Harvey County Planning and Zoning Advisory Board/Board of Zoning Appeals.

The department advises on several functions in relation to how property is used and maintained. It reviews building permits for unincorporated areas of the county, manages floodplain building, considers and enforces zoning and subdivision regulations, and provides guidance for water well, sewer and water testing.

Harvey County is a zoned county. Building permits are required for all permanent, semi-permanent and temporary structures, as well as construction sites.