Updated : 04/22/2024

Overview

Fort Collins, CO adopts the following codes:

• The International Building Code, 2021 edition. Fort Collins, CO Muni. Code § 5-26(a) (adopted) with amendments at § 5-27.
• The International Residential Code, 2021 edition. Fort Collins, CO Muni. Code § 5-26(d) (adopted) with amendments at § 5-30.
• The International Existing Building Code Code, 2021 edition. Fort Collins, CO Muni. Code § 5-32 (adopted) with amendments at § 5-33.
• The International Property Maintenance Code, 2021 edition. Fort Collins, CO Muni. Code § 5-46 (adopted) with amendments at § 5-47.

Helpful resources for Fort Collins, 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.

Fort Collins 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(Fort Collins, CO Sec. 5-30. - Amendments and Deletions to the 2021 International Residential Code.)

...The 2021 International Residential Code adopted in Section 5-26 is hereby amended to read as follows: 1. Section R101.1 Title is hereby amended to read as follows: R101.1 Title. These provisions shall be known...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Fort Collins ? Yes
Citation: Fort Collins, CO Muni. Code § 5-30.
Municipal Code www.municode.com/library/co/fort_collins/codes/municipal_code?nodeId=CH5BUBURE_ARTIIBU_DIV2BUCOST_S5-30AMDECO
Comments:

Fort Collins, CO Design Criteria.

Comments

Fort Collins, CO adopts the International Residential Code, 2021 edition. Fort Collins, CO Muni. Code § 5-26(d) (adopted) with amendments at § 5-30.

• The following appendices are adopted: AE, AF (amended), AH, AM, AQ. Id.(124)-(130) (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.

Fort Collins, CO adopts the International Property Maintenance Code, 2021 edition. Fort Collins, CO Muni. Code § 5-46 (adopted) with amendments at § 5-47.

Commercial Building Code

Fort Collins 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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2009 IBC(Fort Collins, CO Sec. 1-14. - Codes adopted by reference.)

...2009, § 1, 5-5-09) Cross reference— One copy of codes adopted by reference shall be kept on file in the office of the City Clerk, § 5-2; Building Code adopted, § 5-26; adoption of Uniform Code for the Abatement of Dangerous Buildings, § 5-46; adoption of the National Electrical Code, § 5-80; adoption of the Mechanical Code, § 5-106; adoption of...

Comments

The city of Fort Collins, Co. adopted the International Building Code, 2021 edition, including appendices C, E and I. Fort Collins, Co. Muni. Code, § 5-26(a) (adopted) with amendments at § 5-27.

Existing Buildings

Chapter 34 of the 2021 IBC applies; the city also adopted the International Property Maintenance Code, 2021 edition. Fort Collins, Co. Muni. Code, § 5-46 (adopted) with amendments at § 5-47.

Other Building Codes