Updated : 04/22/2024
Overview
***Notice: Beginning April 1, 2020, all projects must be designed to meet the 2018 ICC suite of codes and the 2020 City of Boulder Energy Conservation Code. A draft of the proposed energy code can be found here
.***
Boulder, CO adopts the following codes:
- The International Building Code, 2018 edition, including appendix chapters I, J, and K. Boulder, CO Muni. Code § 10-5-2 (adopted with amendments).
- The International Residential Code, 2018 edition, including appendix chapters D, E, F, H, J, K, P, Q, R, and S Boulder, CO Muni. Code § 10-5.5-2 (adopted with amendments).
- The International Property Maintenance Code, 2018 edition, including appendix chapters A, B, and C. Boulder, CO Muni. Code § 10-2-2 (adopted with amendments).
Helpful resources for Boulder, Colorado include the following.
Residential Building Code
Colorado has yet to adopt a statewide residential code. Local laws will control.See PLRB,
Colorado Building Codes for more information on state level codes.
Boulder adopted the 2018 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.
You can find a copy of the model code here.
You can find information about amendments to the model code
here.
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2018 IRC(Boulder, CO 10-5.5-2. - Adoption of the International Residential Code With Modifications.)
...(a)
The 2018 edition of the International Residential Code of the International Code Council
is hereby adopted by reference as the City of Boulder Residential Building Code and
has the same force and effect as though fully set forth in this chapter, except as
specifically amended by the provisions...
Drip Edge
Drip Edge: yes
Ice Barrier
Are ice barriers required for Boulder ? No
Citation: Boulder, CO Muni. Code § 10-5.5-2(g).
Municipal Code
https://library.municode.com/co/boulder/codes/municipal_code?nodeId=TIT10ST_CH5.5REBUCO_10-5.5-2ADINRECOMOComments:
Boulder, CO Design Criteria.
Comments
***Notice: Beginning April 1, 2020, all projects must be designed to meet the 2018 ICC suite of codes and the 2020 City of Boulder Energy Conservation Code. A draft of the proposed energy code can be found here
.***
Boulder, CO adopts the International Residential Code, 2018 edition, including appendix chapters D, E, F, H, J, K, P, Q, R, and S Boulder, CO Muni. Code § 10-5.5-2 (adopted with amendments).
Existing Buildings
Existing buildings, meaning buildings that were built in accordance to code at the time of
construction, typically merit extra consideration in a current updated code.
***Notice:Beginning April 1, 2020, all projects must be designed to meet the 2018 ICC suite of codes and the 2020 City of Boulder Energy Conservation Code. A draft of the proposed energy code can be found here
.***
Refer to Appendix J of the adopted 2018 IRC, and also to the applicable provisions of the amended 2012 IPMC in Chapter 10-2 of the city code.
Commercial Building Code
Boulder adopted the 2018 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.
You can find a copy of the code
here.You can find information about amendments to the model code
here.
Auto Search - beta:
2018 IBC(Boulder, CO 10-5-2. - Adoption of International Building Code With Modifications.)
...(a)
The 2018 edition of the International Building Code of the International Code Council is hereby adopted by reference as the City of Boulder
Building Code and has the same force and effect as though fully set forth in this
chapter, except as specifically amended by the provisions of this chapter....
Comments
***Notice: Beginning April 1, 2020, all projects must be designed to meet the 2018 ICC suite of codes and the 2020 City of Boulder Energy Conservation Code. A draft of the proposed energy code can be found here
.***
Boulder, CO adopts the International Building Code, 2018 edition, including appendix chapters I, J, and K. Boulder, CO Muni. Code § 10-5-2 (adopted with amendments).
Existing Buildings
***Notice: Beginning April 1, 2020, all projects must be designed to meet the 2018 ICC suite of codes and the 2020 City of Boulder Energy Conservation Code. A draft of the proposed energy code can be found here
.***
Refer to chapter 34 of the adopted 2018 IBC, and the applicable provisions of the amended 2012 IPMC in Chapter 10-2 of the City Code.
Boulder, CO adopts the International Property Maintenance Code, 2018 edition, including appendix chapters A, B, and C. Boulder, CO Muni. Code § 10-2-2 (adopted with amendments).
Other Building Codes
***Notice: Beginning April 1, 2020, all projects must be designed to meet the 2018 ICC suite of codes and the 2020 City of Boulder Energy Conservation Code. A draft of the proposed energy code can be found here
.***
Boulder, CO also adopts the following codes:
- The National Electrical Code (NFPA-70), 2020 edition. Boulder, CO Muni. Code § 10-6-2 (adopted with amendments).
- The International Fire Code, 2018 edition. Boulder, CO Muni. Code § 10-8-2 (adopted with amendments).
- The International Plumbing Code, 2018 edition, including appendix E. Boulder, CO Muni. Code § 10-10-2 (adopted with amendments).
- The International Mechanical Code, 2018 edition, including appendix A. Boulder, CO Muni. Code § 10-9-2 (adopted with amendments).
- The International Fuel Gas Code, 2018 edition. Boulder, CO Muni. Code § 10-9.5-2 (adopted with amendments).
- The 2020 City of Boulder Energy Conservation Code. Boulder, CO Muni. Code § 10-7-2 (adopted with amendments).