Updated : 04/22/2024
Overview
The city of Longmont, Co. adopted the following codes:
- The International Building Code, 2021 edition. including Appendix I. Longmont, Co. Muni. Code, § 16.04.010 (adopted) with amendments throughout Chapter 16.04.
- The International Residential Code, 2021 edition, including appendices A, B, F, H, K, P and Q. Longmont, Co. Muni. Code, § 16.06.010 (adopted) with amendments throughout Chapter 16.06.
- The International Existing Building Code, 2021 edition, including Resource Chapter A. Longmont, Co. Muni. Code, § 16.40.010 (adopted) with amendments throughout Chapter 16.40.
- The International Property Maintenance Code, 2021 edition, including Appendix A. Longmont, Co. Muni. Code, § 16.20.010 (adopted) with amendments throughout Chapter 16.20.
Helpful resources for Longmont, 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.
Longmont 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.
Auto Search - beta:
2021 IRC(Longmont, CO Sec. 16.06.010. - International Residential Code for One- and Two-Family Dwellings, including Appendix Chapters AA, AB, AF, AH, AK, AP, AQ and AT adopted.)
...separate means
of egress, and their accessory structures, by reference thereto, the International
Residential Code for One- and Two-Family Dwellings, 2021 Edition, including Appendix
Chapters AA, AB, AF, AH, AK, AP, AQ and AT published by the International Code Council,
Inc., 4051 West Flossmoor Road, Country Club Hills, IL 60478, that code to have...
Drip Edge
Drip Edge: yes
Ice Barrier
Are ice barriers required for Longmont ? No
Citation: https://library.municode.com/co/longmont/codes/code_of_ordinances?nodeId=PTIICOOR_TIT16BUCO_CH16.06INRECO_16.06.190TAR31AMLIGEDECR
Municipal Code
https://library.municode.com/co/longmont/ordinances/code_of_ordinances?nodeId=941707Comments:
Ground Snow Load |
Wind Speed (Weathering) |
Seismic Design Category |
Subject to Damage From:
Weathering
|
Subject to Damage From:
Frost Line depth
|
Subject to Damage From Termite |
30 PSF |
110 MPH Nominal
142 MPH Ultimate
|
B |
Severe |
30 inch (&62 mm) |
Severe |
Subject to Damage from Decay |
Winter Design Temp |
Ice Shield |
Flood Hazards |
Air Freezing Index |
Mean Annual Temp |
None to Slight |
2 degrees F (18.9 degrees C); -10 degrees F for boilers
|
NO |
January 1977 |
979
|
48.8 |
Longmont, CO Muni. Code, §16.06.190 (Table R301.2(1) amended-Climatic and Geographic Design Criteria).
Government Officials
Last Name |
First Name |
Title |
E-mail |
Phone |
Note |
Hernandez |
Blas |
Building Official |
(303) 651-8331 |
|
|
Comments
The city of Longmont, Co. adopted the International Residential Code, 2021 edition, including appendices A, B, F, H, K, and P. Longmont, Co. Muni. Code, § 16.06.010 (adopted) with amendments throughout Chapter 16.06.
- Fire sprinkler provisions became effective on January 1, 2019. Id. § 16.06.320—330.
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.
The city adopted and enforces the International Property Maintenance Code, 2021 edition. Longmont, Co. Muni. Code, § 16.20.010 (adopted) with amendments throughout Chapter 16.20.
Commercial Building Code
Longmont 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.
Auto Search - beta:
2021 IBC(Longmont, CO Sec. 16.04.010. - International Building Code including appendix chapter I adopted.)
...Pursuant to C.R.S. title 31, article 16, part 2, as amended, and article IV of the
Charter, there is adopted, as the building code of the city, by reference thereto,
the International Building Code, 2021 edition, including appendix chapter I, published
by the International Code Council, Inc., 4051 West Flossmoor Road, Country Club Hills,
IL...
Comments
The city of Longmont, Co. adopted the International Building Code, 2021 edition, including appendix I. Longmont, Co. Muni. Code, § 16.04.010 (adopted) with amendments throughout Chapter 16.04.
Existing Buildings
The 2021 IPMC and IEBC apply.
Other Building Codes
The city also adopted the following codes:
- The National Electrical Code (NFPA-70), 2020 edition, including all annexes except annex H. Longmont, Co. Muni. Code, § 16.08.010 (adopted) with amendments throughout Chapter 16.08.
- The National Electrical Safety Code, 2020 edition, including appendices. Longmont, Co. Muni. Code, § 16.09.010 (adopted).
- The International Fire Code, 2021 edition, including appendices except for appendices A and I. Longmont, Co. Muni. Code, § 16.32.010 (adopted) with amendments throughout Chapter 16.32.
- The International Plumbing Code, 2021 edition, including appendices B, C, D, E and F. Longmont, Co. Muni. Code, § 16.16.010 (adopted) with amendments throughout Chapter 16.16.
- The International Mechanical Code, 2021 edition, including appendix A. Longmont, Co. Muni. Code, § 16.12.010 (adopted) with amendments throughout Chapter 16.12.
- The International Fuel Gas Code, 2021 edition, including appendices A and B. Longmont, Co. Muni. Code, § 16.14.010 (adopted) with amendments throughout Chapter 16.14.
- The International Energy Conservation Code, 2021 edition. Longmont, Co. Muni. Code, § 16.22.010 (adopted) with amendments throughout Chapter 16.22.
- The International Swimming Pool and Spa Code, 2021 edition. Longmont, Co. Muni. Code, § 16.28.010 (adopted) with amendments throughout Chapter 16.28.