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Crested Butte, Colorado Building Codes

Updated : 04/22/2024

Overview

Crested Butte, CO adopts the following codes:

  • The International Building Code, 2021 edition, chapters 1 through 35 without appendices. Crested Butte, CO Muni. Code § 18-1-10 (adopted) with amendments at § 18-1-30.
  • The International Residential Code, 2021 edition, chapters 1 through 43 inclusive, with Appendices F, R, and S. Crested Butte, CO Muni. Code § 18-2-10 (adopted) with amendments at § 18-2-30.
  • The International Existing Building Code, 2021 edition, chapters 1 through 16 without appendices. Crested Butte, CO Muni. Code § 18-2.5-10 (adopted) with amendments at § 18-2.5-20.
  • The International Property Maintenance Code, 2021 edition, including Chapters 1 through 8. Crested Butte, CO Muni. Code § 18-17-10 (adopted) with amendments at § 18-18-20.
Helpful resources for Crested Butte, 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.

Crested Butte adopted the 2021 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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2021 IRC(Crested Butte, CO Sec. 18-2-10. - Adoption.)

...The International Residential Code ("IRC"), 2021 edition, Chapters 1 through 44, with Appendix AF (Radon Control Methods), Appendix AK (Sound Transmission), Appendix AR (Light Straw-Clay Construction), and Appendix AS (Straw-Bale Construction), and Appendix AU (Cob Construction Monolithic adobe), published by the International Code Council,...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Crested Butte ? Yes
Citation: Crested Butte, CO Muni. Code, § 18-2-30 (amendments).
Municipal Code https://library.municode.com/co/crested_butte/codes/municipal_code?nodeId=CH18BURE_ART2RECO
Comments:

Crested Butte, CO Design Criteria.

Comments

Crested Butte, CO adopts the International Residential Code, 2021 edition, chapters 1 through 43 inclusive, with Appendices F, R, and S. Crested Butte, CO Muni. Code § 18-2-10 (adopted) with amendments at § 18-2-30.

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.

Crested Butte, CO adopts the International Property Maintenance Code, 2021 edition, including Chapters 1 through 8. Crested Butte, CO Muni. Code § 18-17-10 (adopted) with amendments at § 18-18-20.

Commercial Building Code

Crested Butte adopted the 2021 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.

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2021 IBC(Crested Butte, CO Sec. 18-1-10. - Adoption.)

...The International Building Code ("IBC"), 2021 edition, Chapters 1 through 35 without appendices, published by the International Code Council, Inc., 4051 West Flossmoor Road, Country Club Hills, Illinois 60478, is hereby adopted by reference thereto and incorporated into and made part of the Crested Butte Municipal Code to have the same force...

Comments

Crested Butte, CO adopts the International Building Code, 2021 edition, chapters 1 through 35 without appendices. Crested Butte, CO Muni. Code § 18-1-10 (adopted) with amendments at § 18-1-30.

Existing Buildings

Crested Butte, CO adopts the International Existing Building Code, 2021 edition, chapters 1 through 16 without appendices. Crested Butte, CO Muni. Code § 18-2.5-10 (adopted) with amendments at § 18-2.5-20.

Other Building Codes

Crested Butte, CO also adopts the following codes:

  • The International Mechanical Code, 2021 edition, including Appendix A. Crested Butte, CO Muni. Code § 18-3-10 (adopted) with amendments at § 18-3-30.
  • The International Plumbing Code, 2018 edition, including Appendices C and E. Crested Butte, CO Muni. Code § 18-4-10 (adopted) with amendments at § 18-4-30.
  • The National Electrical Code (NFPA-70), 2020 edition, including Appendices C and E. Crested Butte, CO Muni. Code § 18-5-10.
  • The International Fire Code, 2021 Edition, including Appendices B through M. Crested Butte, CO Muni. Code § 18-6-10 (adopted) with amendments at § 18-6-20.
  • The International Fuel Gas Code, 2018 edition, including chapters 1 through 8 and all four Appendices. Crested Butte, CO Muni. Code § 18-7-10 (adopted) with amendments at § 18-7-30.
  • The International Energy Conservation Code, 2021 edition, without appendices. Crested Butte, CO Muni. Code § 18-9-40 (adopted with amendments).