- Home
- Government
- Departments A through H
- Community Development
- Building
- Building & Energy Codes
Currently Adopted Building & Energy Codes
2021 International Codes Adoption
On January 24th, 2023 Aspen City Council passed Ordinance #1, 2023 which adopted the 2021 I-Codes, along with local building and energy code amendments. The updates include an expansion to the Renewable Energy Mitigation Program (REMP) and other measures focused on energy conservation, wildfire resiliency, and lowering emissions. The new codes will apply to all permits submitted after March 31, 2023.
If you have questions, please reach out to Bonnie Muhigirwa (1-970-309-5119).
Resources
- Summary of major code changes
- Title 8 Amendments to All Codes Except Energy
- Residential Energy Code
- Commercial Energy Code Code
- 2021 IECC REMP Calculator (DRAFT)
Applies to all permits submitted after February 8, 2017. For local amendments see Title 8 of the Municipal Code.
Design Criteria
| Free versions of the codes | Adopted Appendices |
|---|---|
| 2015 International Building Code | C, E, I, J |
| 2015 International Residential Code Chapters 1-10 Only! |
E, F, H, J, K, R, S, U |
| 2015 International Energy Conservation Code | |
| 2015 International Plumbing Code | |
| 2015 International Mechanical Code | |
| 2015 International Fuel Gas Code | |
| 2015 International Fire Code | |
| 2015 International Existing Building Code | |
| 2015 International Swimming Pool and Spa Code | |
| 2015 International Solar Energy Provisions | |
| ICC A117.1-2009 Accessible and Usable Buildings and Facilities | |
| 2020 National Electric Code |
Additional Information on Energy Code Compliance
- To download COMcheck and REScheck software and other energy code resources visit the U.S Department of Energy website/
- To show compliance on windows and doors that do not have a NFRC label:
Renewable Energy Mitigation Program (REMP)
Use the spreadsheet below to calculate your required offsets and / or fee payment for snowmelt, and outdoor pools and spas.There are separate tabs for instructions, residential and commercial worksheets, PV, Solar Thermal, and Ground Source HeatPump Source Certification.