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2021 IECC Residential Proposed Houston Amendments

Proposed local amendments to the 2021 International Energy Conservation Code (IECC) Residential Provisions

Last updated: April 5, 2023

2015 International Energy Conservation Code (IECC) Amendments Residential Provisions

2015 IECC Amendments Residential provisions

Last updated: 10/3/2016

LSB Standard 03 - Fire Department Access

The Houston Fire Department's Life Safety Bureau Standard 03 - Fire Department Access

Last updated: 04/26/2022

Chapter 13 2021
Supplement to IDM Chapter 9 (May 16, 2025)

Last Updated: 05/16/2025

02502-03 12 Diameter Waterline Crossing (DWG)
2006 International Fire Code (IFC) Houston Amendments

2006 IFC amendments

2023 National Electrical Code (NEC) Administrative Amendments

2023 NEC (National Electrical Code) Administrative Amendments 

Updated August 17, 2023

2021 Uniform Mechanical Code | UMC

The 2021 Uniform Mechanical  Code was adopted on October 25, 2023, and became effective on January 2, 2023.

Last updated: December 26, 2023

2021 Uniform Plumbing Code | UPC

The 2021 Uniform Plumbing Code was adopted on October 25, 2023, and became effective on January 2, 2023.

Last updated: December 26, 2023