Building Energy Code

June 18, 2023


Much of the information presented in this summary is drawn from the U.S. Department of Energy’s (DOE) Building Energy Codes Program and the Building Codes Assistance Project (BCAP). For more detailed information about building energy codes, visit the DOE and BCAP websites.

The Office of the State Fire Marshal is granted the authority to promulgate amendments, revisions, and alternative compliance methods for the code.

LA Energy Code Requirements and Links are available here.

On January 1, 2015, the effective Louisiana residential energy code became the 2009 IRC Chapter 11

Program Overview

Implementing Sector: State
Category: Regulatory Policy
State: Louisiana
Incentive Type: Building Energy Code
Web Site:
Start Date:
Eligible Renewable/Other Technologies:
  • Comprehensive Measures/Whole Building
Residential Code: 2006 IRC mandatory statewide. Chapter 11 of the IRC provides energy conservation standards
Commercial Code: ASHRAE/IESNA 90.1-2007, and 2009 IECC for buildings not covered by ASHRAE, mandatory statewide
Code Change Cycle: Beginning in January, 2007, codes are upgraded every 3 years. Last commercial code update effective on August 1, 2012. Last residential code effective January 1, 2011.
Jurisdictions: Statewide


Name: S.B. 538
Effective Date: 08/01/12


Name: Paula Ridgeway
Organization: Louisiana Department of Natural Resources
Address: 617 N. 3rd Street
Baton Rouge LA 70804-4156
Phone: (225) 342-1399

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.