Updated : 04/22/2024
Overview
We cannot find the official adoption however, according to Lance Stromberg, the city of Lyons has adopted the 2021 ICC codes:
"The Town of Lyons (TOL), effective June 1, 2023, is on the following Building Codes:
The website is being updated to reflect these changes soon."
Responce given on July 17th, 2023.
Helpful resources for Lyons, 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.
Lyons 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(Lyons, CO Sec. 18-3-10. - Adoption.)
...The International Residential Code, 2021 edition, as published by the International
Code Council, 4051 West Flossmoor Road, Country Club Hills, IL 60478, Chapters 1 through
44 inclusive, Appendix Chapter H, and Appendix Chapter Q from 2021 IRC for Tiny Homes
is hereby adopted by reference as the Town of Lyons Residential Building Code, as...
Drip Edge
Drip Edge: yes
Ice Barrier
Are ice barriers required for Lyons ? No
Citation: Lyons, CO Muni. Code § 18-3-40.
Municipal Code
https://library.municode.com/co/lyons/codes/municipal_code?nodeId=CH18BURE_ART3INRECO_S18-3-40MOComments:
Table R301.2(1) Climatic and Geographic Design Criteria
Comments
Lyons, CO adopts the International Residential Code, 2021 edition, Chapters 1 through 44 inclusive, Appendix Chapters H and Q. Lyons, CO Muni. Code § 18-3-10 (adopted) with amendments at § 18-3-40.
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.
Lyons, CO adopts the International Property Maintenance Code, 2021 edition, Chapters 1 through 8 inclusive. Lyons, CO Muni. Code § 18-6-10 (adopted) with amendments at § 18-6-40.
There is no mention of the adoption of Appendix J of the 2021 IRC.
Commercial Building Code
Lyons 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(Lyons, CO Sec. 18-2-10. - Adoption.)
...The International Building Code, 2021 edition, as published by the International Code
Council, 4051 West Flossmoor Road, Country Club Hills, IL 60478, Chapters 1 through
35 inclusive and Appendix Chapter I, is hereby adopted by reference as the Town of
Lyons Building Code, as if fully set out in this Article with the...
Comments
Lyons, CO adopts the International Building Code, 2021 edition, Chapters 1 through 35 inclusive and Appendix Chapter I. Lyons, CO Muni. Code § 18-2-10 (adopted) with amendments at § 18-2-40.
Existing Buildings
Lyons, CO adopts the following codes:
- The International Existing Building Code, 2021 edition, Chapters 1 through 15 inclusive and Appendix Chapters A, B and C. Lyons, CO Muni. Code § 18-7-10 (adopted) with amendments at § 18-7-40.
- The International Property Maintenance Code, 2021 edition, Chapters 1 through 8 inclusive. Lyons, CO Muni. Code § 18-6-10 (adopted) with amendments at § 18-6-40.
Other Building Codes
Lyons, CO also adopts the following codes:
- The International Mechanical Code, 2015 edition, Chapters 1 through 15 inclusive and Appendix Chapter A. Lyons, CO Muni. Code § 18-4-10 (adopted) with amendments at § 18-4-40.
- The International Plumbing Code, 2015 edition, Chapters I through 14 inclusive and Appendix Chapters B through E with the State of Colorado adopted amendments. Lyons, CO Muni. Code § 18-5-10 (adopted) with amendments at § 18-5-40.
- The International Energy Conservation Code, 2015 edition, Chapters 1 through 6 inclusive. Lyons, CO Muni. Code § 18-8-10 (adopted) with amendments at § 18-8-40.
- The International Swimming Pool and Spa Code, 2015 edition, Chapters 1 through 8 inclusive. Lyons, CO Muni. Code § 18-9-10 (adopted) with amendments at § 18-9-40.
- The International Fuel Gas Code, 2015 edition, Chapters 1 through 8 inclusive and Appendix Chapters A through D with the State of Colorado adopted amendments. Lyons, CO Muni. Code § 18-10-10 (adopted) with amendments at § 18-10-40.
- The National Electrical Code, 2017 edition. Lyons, CO Muni. Code § 18-15-10 (adopted)