Colorado Building Codes

Codes

Building Code 2021 of Colorado

adopts the IBC 2021 with amendments

Residential Code 2021 of Colorado

adopts the IRC 2021 without amendments

Residential Code 2018 of Colorado

adopts the IRC 2018 with amendments

Existing Building Code 2021 of Colorado

adopts the IEBC 2021 without amendments

Fire Code 2021 of Colorado

adopts the IFC 2021 without amendments

Plumbing Code 2018 of Colorado

adopts the IPC 2018 with amendments

Mechanical Code 2021 of Colorado

adopts the IMC 2021 without amendments

Fuel Gas Code 2018 of Colorado

adopts the IFGC 2018 with amendments

Energy Conservation Code 2021 of Colorado

adopts the IECC 2021 without amendments

Wildland-Urban Interface Code 2021 of Colorado

adopts the IWUIC 2021 without amendments

Accessible and Usable Buildings and Facilities 2017 of Colorado

adopts the A117.1, 2017 without amendments

Standard for the Installation of Sprinkler Systems 2019 of Colorado

adopts the NFPA 13, 2019 without amendments

National Electrical Code 2020 of Colorado

adopts the NFPA 70, 2020 without amendments

Safety Code for Elevators and Escalators 2019 of Colorado

adopts the ASME A17.1, 2019 without amendments

Building Code Requirements for Structural Concrete of Colorado

adopts the ACI 318 2019 with amendments

Building Code of the Department of Personnel & Administration/Office of the State Architect (DPA/OSA)

adopts the IBC 2018 with amendments

Existing Building Code 2018 of Colorado

adopts the IEBC 2018 with amendments

Fire Code 2018 of Colorado

adopts the IFC 2018 without amendments

Mechanical Code 2018 of Colorado

adopts the IMC 2018 with amendments

Energy Conservation Code 2018 of Colorado

adopts the IECC 2018 without amendments

Accessible and Usable Buildings and Facilities 2009 of Colorado

adopts the A117.1, 2009 without amendments

Standard for the Installation of Sprinkler Systems 2016 of Colorado

adopts the NFPA 13, 2016 with amendments

National Fire Alarm and Signaling Code 2013 of Colorado

adopts the NFPA 72, 2013 without amendments

Building Code Requirements for Structural Concrete of Colorado

adopts the ACI 318 2014 with amendments

National Electrical Code 2020 of Colorado

adopts the NFPA 70, 2020 without amendments

Building Code of the Department of Personnel & Administration/Office of the State Architect (DPA/OSA)

adopts the IBC 2015 with amendments

Existing Building Code 2015 of Colorado

adopts the IEBC 2015 with amendments

Plumbing Code 2015 of Colorado

adopts the IPC 2015 without amendments

Mechanical Code 2015 of Colorado

adopts the IMC 2015 with amendments

Fuel Gas Code 2015 of Colorado

adopts the IFGC 2015 without amendments

Energy Conservation Code 2015 of Colorado

adopts the IECC 2015 without amendments

Standard for the Installation of Sprinkler Systems 2013 of Colorado

adopts the NFPA 13, 2013 without amendments

Safety Code for Elevators and Escalators 2013 of Colorado

adopts the ASME A17.1, 2013 without amendments

OSHA

OSHA 1904 Recordkeeping

OSHA 1910 General Industry

OSHA 1926 Construction

Additional Resources

2010 ADA Standards

Fair Housing Act Design Manual [PDF]

Adoption Info

NOTICE:

The following codes and standards are enforced by the Colorado Department of Public Safety, Division of Fire Prevention and Control:

2021 International Building Code
2021 International Mechanical Code
2021 International Energy Conservation Code
2021 International Existing Building Code
2021 International Residential Code
2021 International Fire Code
2021 International Wildland-Urban Interface Code
2012 NFPA 101 Life Safety Code
2019 NFPA 13
2019 NFPA 72 National Fire Alarm and Signaling Code

The Colorado State Plumbing Board adopts and incorporates by reference as part of the Colorado Plumbing Code the following:

2018 International Plumbing Code
2018 International Residential Code

The Colorado State Plumbing Board adopts and incorporates by reference as part of the Colorado Fuel Gas Code the following:

2018 International Fuel Gas Code
2018 International Residential Code

The Office of the State Architect (OSA) adopts as minimum requirements are to be applied to all construction at state agencies and institutions of higher education owned facilities the following:

2018 International Building Code
2018 International Existing Building Code
2018 International Mechanical Code
2018 International Energy Conservation Code
2018 International Fire Code

The codes adopted by OSA are listed in the "2019" Year above.

INCORPORATED UPDATES

2021 Construction Codes

State Plumbing Board
Plumbing Rules and Regulations
effective December 15, 2021
Original document

State Plumbing Board
Plumbing Rules and Regulations
effective August 30, 2021
Original document

8 CCR 1507-101
Building and Fire Code Adoption and Certification of Inspectors for Fire & Life Safety Programs
Administered by the State of Colorado
effective June 30, 2021
Original document

State Electrical Board
Rules and Regulations
effective August 1, 2020
Original document

State Plumbing Board
Plumbing Rules and Regulations
effective June 14, 2020
Original document

Approved State Building Codes
Revised July 1, 2019
Original document

Notice:

The building codes and standards listed above are adopted by the Office of the State Architect as minimum requirements to all construction at state agencies and institutions of higher education owned facilities. The 2015 International Fire Code is still adopted by the Department of Public Safety/Division of Fire Prevention and Control (DFPC).

FURTHER INFORMATION

Office of the State Architect
State Fire Marshal

Analytics

Colorado Building Codes

The building codes of Colorado adopt the the International Building Code 2021 (IBC 2021), International Residential Code 2021 (IRC 2021), International Residential Code 2018 (IRC 2018), International Existing Building Code 2021 (IEBC 2021), International Fire Code 2021 (IFC 2021), International Plumbing Code 2018 (IPC 2018), International Mechanical Code 2021 (IMC 2021), International Fuel Gas Code 2018 (IFGC 2018), International Energy Conservation Code 2021 (IECC 2021), International Wildland-Urban Interface Code 2021 (IWUIC 2021), Accessible and Usable Buildings and Facilities, 2017, Standard for the Installation of Sprinkler Systems, 2019, National Electrical Code, 2020, Safety Code for Elevators and Escalators, 2019, Building Code Requirements for Structural Concrete 2019, National Fire Alarm and Signaling Code, 2019, and the Life Safety Code, 2012.

Colorado Agencies

Office of the State Architect
Website: https://www.colorado.gov/osa
Address: 1525 Sherman Street, Fifth Floor, Denver, CO 80203
Email: dpa_statebuildings@state.co.us
Phone: 303-866-4316

State Plumbing Board
Website: https://dpo.colorado.gov/Plumbing
Address: 1560 Broadway, Suite 1350, Denver, CO 80202
Email: dora_dpo_licensing@state.co.us
Phone: 303-894-7800

Division of Fire Prevention and Control
Website: https://dfpc.colorado.gov
Address: 690 Kipling Street, STE 2000, Lakewood, CO 80215
Phone: 303-239-4600
Fax: 303-239-5887