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Arapahoe County, Colorado Building Codes

Updated : 04/22/2024

Overview

After researching, we were unable to locate the building code adoption ordinance.

Arapahoe County, CO has adopted the following codes:

  • The International Building Code, 2021 edition.

  • The International Residential Code, 2021 edition.

Arapahoe County adopted codes and design criteria.

 

Helpful resources for Arapahoe County, 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.

Arapahoe County 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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Drip Edge

Drip Edge: no

Ice Barrier

Are ice barriers required for Arapahoe County ? No
Municipal Code www.arapahoegov.com/DocumentCenter/View/210
Comments:

2021 Minimum Design Criteria follows the 2015 table presented below: 

Comments

After researching, we were unable to locate the building code adoption ordinance.

Arapahoe County, CO adopted the International Residential Code, 2021 edition, including Appendix H, Patio Covers.

Arapahoe County adopted codes and design criteria.

 

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.

After researching, we were unable to locate the building code adoption ordinance.

There is no mention of the adoption of Appendix J of the 2021 IRC.

 

Commercial Building Code

Arapahoe County 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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No results were located with the automated search.

Comments

Arapahoe County, CO adopted the International Building Code, 2021 edition, including Appendix C, Group U, Agricultural Buildings.

Arapahoe County adopted codes and design criteria.

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.

After researching, we were unable to locate the building code adoption ordinance.

Arapahoe County, CO adopted the International Existing Building Code, 2021 edition.

Arapahoe County adopted codes and design criteria.

 

Other Building Codes

After researching, we were unable to locate the building code adoption ordinance.

Arapahoe County, CO has also adopted the following codes:

  • The International Mechanical Code, 2021 edition.

  • The International Plumbing Code, 2021 edition.

  • The International Fuel Gas Code, 2021 edition.

  • The International Energy Conservation Code, 2021 edition.

  • The International Swimming Pool and Spa Code, 2021 edition.

  • Elevator and Escalator Codes ASME A17.1 – 2013, A17.3 – 2005, A18.1 – 2011 and ASCE 21 Parts 1, 2, 3, and 4.

  • A117.1-2009 ANSI manual as a reference.

Arapahoe County adopted codes and design criteria.