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).


Additional Information on Energy Code Compliance

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.