The 2012 International Codes and 2011 National Electrical Code have been adopted and Chapter 122 will soon reflect these updates.
For your convenience, some ordinance sections that may be of interest to you have been linked to the ordinance. Click on the links below to access the City of McKinney ordinance that pertains to your project. These links are not an exhaustive list, they merely represent some of the most commonly requested information and may give helpful information for your project preparation.
Ordinances concerning special regulations can be found in Section 146.
Section 146-129: Height and area exceptions, and minimum distances between specific uses.