Building Codes
2023 National Electrical Code - Effective August 1, 2023
Effective August 1, 2023, Larimer County will begin enforcing the 2023 National Electrical Code (based on the State of Colorado adoption). All permits issued as of August 1, 2023, will need to comply with the 2023 NEC.
The link below is a summary of the significant changes to the 2023 NEC.
- 2021 International Residential Code (IRC)
- 2021 International Building Code (IBC)
- 2021 International Energy Conservation Code (IECC)
- 2021 International Existing Building Code (IEBC)
- 2021 International Fuel Gas Code (IFGC)
- 2021 International Mechanical Code (IMC)
- 2021 International Plumbing Code (IPC)
- 2021 International Property Maintenance Code (IPMC)
- 2021 International Swimming Pool and Spa Code (ISPSC)
- 2023 National Electrical Code (NEC)
Where can I find more information?
-
Recorded 2021 Significant Code Changes Webinar
- 2021 Building Code Significant Changes
- International Codes and “Significant Changes” books may be purchased here
- Read Only Version of each International Code
- Read Only Version of the National Electrical Code (NEC)
- Building Codes Adopted in Larimer County