Codes & Amendments

Grand County has adopted 2015 Building Codes with Local Amendments, Effective June 30, 2018. 

2015 International Residential Code, Online Version

The following codes are currently in effect within the county:

• 2015 International Residential Code, adopted amendments
• 2015 International Building code, adopted amendments
• 2015 International Mechanical Code, adopted amendments
• 2015 International Plumbing Code, adopted amendments
• 2015 International Fuel Gas Code, adopted amendments
• 2015 International Energy Conservation Code, adopted amendments
• 2015 International Existing Building Code
• 2020 National Electrical Code
• 2015 International Fire Code, adopted amendments
• 1997 Uniform Code for the Abatement of Dangerous Buildings

Septic Regulations

The following Onsite Wastewater Treatment System (OWTS) regulations  are currently in effect within the county:

• Current Regulations -- effective August 24, 2018
• Previous Regulations -- effective prior to August 24, 2018