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Adopted codes online

The division works to ensure the adopted codes and standards are accessible. Eight of the adopted specialty codes are available to read online. The remaining codes consist of multiple standards listed on the program pages.

Amendments, errata, helpful tools, and additional information can be found on the code program pages.
The current or most recent code adoption process information can be found on the code adoption pages.

Commercial structures
Energy efficiency
  • Effective April 1, 2021, with a six-month phase-in period
  • Mandatory Oct. 1, 2021
  • Construction standards: ASHRAE Standard 90.1-2019
Residential structures
  • Effective Oct. 1, 2019
  • Based on the 2018 International Mechanical Code (IMC) and International Fuel Gas Code (IFGC)