Use a mixture of filters or keywords to find documents and resources by department, type or topic.
Significant code changes & highlights of the 2018 and 2021 International Energy Conservation Code (IECC)
Form must be completed by the Special Inspection Agency.
Last updated: June 2025.
Code comparison between the 2015 Uniform Mechanical Code (UMC) Houston Amendments and the 2021 UMC proposed amendments.
Last updated: 04/25/2023
Significant Code Changes & Highlights of the 2015 th 2018 and 2018 to 2021 International Building Code (IBC)
Comparison of the 2012 IRC and 2015 IRC Houston Amendments.
Last updated: 03/22/2022
Interpretations and applications of the Houston adopted codes: 2012 IBC, 2012 IRC, 2014 NEC, 2012 UMC, 2012 UPC, 2009 IECC, and ASHRAE 90.1-2007
Last updated: 07/06/2021
Comparison of the 2012 IBC and 2015 IBC Houston Amendments.
Last updated: 03/22/2022
Last Updated: January 2026