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Approved Amendments to the Unified Development Ordinance


Post Date:03/19/2018 3:30 PM

Extensive Amendments to the Unified Development Ordinance have been approved by the County Board


Amendments to the Unified Development Ordinance (UDO) were approved by the County Board as of 2018 March 19th and effective upon that date.  » Click here to view the amended ordinance «

The UDO is also part the County Code (under Title 16). This section of the code is pending update. Please use the UDO link to access the most current regulations.

If you would like to compare what has been changed from the previous version of the UDO, you may  download a copy of the Redlined Draft here [ PDF/13 Mb ], which contains all but a few changes made by the Committee of the Whole a week prior to adoption of the ordinance by the County Board.   


Questions about any amendment(s) should be directed to the Planning and Zoning Division:

Via Email:

By Telephone

In Person:
Department of Planning and Development—Room 208 
McHenry County Administration Building
667 Ware Road, Woodstock, Illinois 60098

Via Mail:
Department of Planning and Development
2200 N Seminary Avenue
Woodstock, Illinois 60098



—Effective Date: 2018.03.19.

—Expiration Date: 2018.06.19.


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