Unified Development Ordinance (UDO)

Welcome to Gwinnett County's Unified Development Ordinance (UDO) webpage.

The UDO combines the County's zoning resolution, development regulations, buffer and landscape requirements, floodplain and stormwater management regulations and other ordinances into one coordinated code document.

Visit this page regularly for the most updated version of the UDO, including periodic amendments to its text and tables.


Unified Development Ordinance (UDO)

Unified Development Ordinance (UDO) in Sections

Unified Development Ordinance (UDO) Amendments

Unified Development Ordinance (UDO) Memorandums of Key Changes for Amendments