Planning & Zoning

The Electronic Plan Review system (IDT Plan & Review)  is now live for all applications reviewed by the Williamson County Regional Planning Commission.

Do you have a question for Planning Staff regarding the zoning restrictions on your property? Fill Create a


Zoning Inquiry online now


Planning awards

The Planning Department is dedicated to fostering quality growth and development throughout the unincorporated areas of Williamson County. 

The department strives to provide sound and professional land use guidance as well as quality customer services as it interacts with policy makers, various boards and commissions, the development community, and the general public regarding land use and development issues.


Our primary responsibility is to implement the provisions of the:

In addition, the department is also responsible for reviewing development proposals, providing guidance to the development community and general public, providing technical assistance to the County, Planning, and Highway commissions, and preparing long-range plans and other planning-related documents, as needed.

Please use the links on the left-hand side of the screen to access information related to Zoning Amendments, Special Area Plans, Planning Projects, and other helpful information related to the Planning Department.

 Coming Soon.....

The Arrington Special Area Plan is scheduled to commence by years end. Watch for periodic updates.