Updated : 04/22/2024

Overview

Aspen, CO has adopted the following codes:

• The International Residential Code, 2015 and 2021 edition including Appendices E, F, H, J, R, S, and U and all errata. Aspen, CO Muni. Code § 8.16.010 (adopted) with amendments § 8.16.020.

• The International Building Code, 2021 edition Appendix including  C, E, P and all errata . Aspen, CO Muni. Code § 8.20.010 (adopted) with amendments § 8.20.020.

• The International Existing Building Code, 2021 edition. Aspen, CO Muni. Code § 8.32.010 (adopted) with amendments § 8.32.020.

Helpful resources for Aspen, Colorado include the following.

• PLRB, Ordinance and Law Coverage Discussion for Colorado

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.

Aspen adopted the 2015 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(Aspen, CO Sec. 8.16.010. - Deletion of the 2021 Edition of the International Residential Code.)

...Pursuant to the powers and authority conferred by the laws of the State and the Charter of the City, The International Residential Code, 2021 Edition, will not be adopted. (Ord. No. 01-2023, § 2, 1-24-23)...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Aspen ? Yes
Citation: Aspen, CO Muni. Code § 8.16.020.
Municipal Code https://aspen.gov/DocumentCenter/View/9033/Aspen-Residential-Energy-?bidId=
Comments:

Aspen, CO Design Criteria.

Comments

Aspen, CO adopted the International Residential Code, 2015 edition, including Appendices E, F, H, J, R, S, and U and all errata. Aspen also adopted specific provisions from the 2021 IRC. Aspen, CO Muni. Code § 8.16.010 (adopted) with amendments § 8.16.020.

 

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.

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.

Aspen, CO has adopted the following codes:

• The International Existing Building Code, 2021 edition. Aspen, CO Muni. Code § 8.32.010 (adopted) with amendments § 8.32.020.

• Appendix J of the 2021 IRC. Aspen, CO Muni. Code § 8.16.010 (adopted) with amendments § 8.16.020.

Commercial Building Code

Aspen 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(Aspen, CO Sec. 8.20.010. - Adoption of the 2021 Edition of the International Building Code.)

...the State and the Charter of the City, there is hereby adopted and incorporated herein by reference as if fully set forth those regulations contained in the International Building Code, 2021 Edition, including Appendix C, E, and P and all errata published by the International Code Council, 4051 West Flossmoor Road, Country Club Hills, Illinois...

Comments

Aspen, CO adopted the International Building Code, 2021 edition including Appendix  C, E, P and all errata. Aspen, CO Muni. Code § 8.20.010 (adopted) with amendments § 8.20.020.

 

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.

Aspen, CO adopted the International Existing Building Code, 2021 edition. Aspen, CO Muni. Code § 8.32.010 (adopted) with amendments § 8.32.020.

 

Other Building Codes