Legislation and Rules

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Iowa Law

Iowa Administrative Code (IAC) - Board Rules

Current State Mechanical & Plumbing Code

The board has adopted the 2018 versions of the Uniform Plumbing Code (UPC) and International Mechanical Code (IMC) with state specific amendments.  Below are the official versions of the new code, which became effective on September 18, 2019.

State Mechanical Code    

State Plumbing Code    


Purpose of Website and Disclaimer

The purpose of this webpage is to provide a starting point for access to legislative-related information. Although the accuracy and timeliness of the information provided is intended to be updated regularly, some information may be provisional.  All information is provided "as is" and without any express or implied warranty. If information on this website may affect your legal rights, refer to the official version of the information in print, DVD, or Internet publications and contact legal counsel of your choice.  Visit the webpage of the Iowa Legislature – Iowa Law & Rules link for additional information.