Unified Development Ordinance

In 1999, St. Charles County adopted the Unified Development Ordinance (UDO) (zoning and subdivision ordinance) which developed out of the land subdivision regulations that had been in place since 1959.

The UDO consists of the following Chapters of the Ordinances of St. Charles County (OSCCMo):

The Department of Community Development makes the UDO along with the following chapters of the OSCCMo available as a single document: