Colorado

Division of the State Architect

1525 Sherman Street
Denver, Colorado
303-866-5652

Adopted I-Codes:

The State Buildings Program (SBP) is responsible for establishing the minimum building codes for all construction by State Agencies on state-owned agencies or state-purchased properties or facilities.

2021 International Building Code (IBC) 

2021 International Energy Conservation Code (IECC) 

2021 International Residential Code (IRC)

For a full list of codes used in the state, check the ICC Code Adoption Map.

Applicability (statewide, local, limited): LIMITED

Codes are primarily adopted and enforced locally. Two state agencies adopt state minimum plumbing and electrical codes respectively. The State Architect adopts codes for all state-owned buildings and facilities (2018 IBC, IMC, IPC, IFGC, IECC). The Division of Fire Prevention and Control adopts and enforces codes for all public schools and junior colleges (2015 IBC, IRC, IFC, IMC, IEBC, IECC) and for all licensed healthcare facilities statewide (2018 IBC, IRC, IFC, IMC, IECC, IEBC, IWUIC). The Colorado Examining Board of Plumbers has adopted the 2009 IPC, IFGC and plumbing chapters of the 2018 IRC as the state minimum plumbing code.

Tall Mass Timber Adoption

The tall mass timber provisions went into effect in Denver, CO, in 2021.

Notes:

Page last updated: December 2023