The Planning Division helps to define and shape the physical development and improvement of the unincorporated areas of the County through its efforts to guide and facilitate collaborative planning. The activities of the Division range from maintaining the long range plans for the County to reviewing administrative and discretionary applications for existing or new development.

DEVELOPMENT STANDARDS

Drainage Guidelines

Lyon County has had drainage guidelines in place since the 1990's. The Board of Commissioners has approved revisions to the document. The guidelines and supporting material are located below:

2018 Drainage Guidelines

Construction Site Handbook

Lyon County Construction Details