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Building Code Information


The 2014 National Electrical Code is expected to be adopted by the State of Colorado in July of 2014. The City and County of Broomfield will start enforcing this new edition on the same effective date as the State of Colorado. We have compiled a list of changes likely to affect residential construction in this 2014 NEC Residential Change Handout.


The City and County of Broomfield has adopted the 2012 International Codes.


The City and County of Broomfield has adopted the 2012 International Code series, effective March 15, 2014. This means that all permits issued as of March 15, 2014 will need to have plans designed, reviewed, and approved by the Building Division to meet the 2012 Codes. This will include the architectural plans, structural framing plans, structural foundation plans, soils reports, roof truss plans, and energy code documents. Below is a short summary of significant changes from the 2009 to the 2012 codes. 

Building codes are updated every three years through an open consensus process to adapt to changing technology, current methods of construction and in reaction to situations where codes may have failed to protect the public in the past. Building inspection and plan review staff must constantly update their code knowledge and assist builders in meeting the most recent edition of these national codes, as adopted by the City and County of Broomfield.


Please see the Adoption Ordinance #1994 to see changes from the current Broomfield Municipal Code.

Significant Changes to the 2012 International Codes - Handout

Applicable Codes as of March 15, 2014
  • 2012 International Building Code
  • 2012 International Residential Code
  • 2012 International Plumbing Code
  • 2012 International Fuel Gas Code
  • 2012 International Mechanical Code
  • 2012 International Fire Code
  • 2012 International Energy Conservation Code
  • 2011 National Electric Code (2014 NEC effective when adopted by the State of Colorado)
  • 2009 ICC A117.1 Accessible and Usable Buildings and Facilities

Snow & Wind Loads
  • Design roof snow load: 30.0 psf
  • Assigned ground snow load: 30.0 psf
  • Design wind speed for single family dwellings: 110 mph, 3 second gust
  • Design wind speed for other structures depends on the risk category (RC) of the building:
  • Wind structural design exposure classification is dependent upon location; either B or C - designer shall assess
  • Asphalt shingles shall be ASTM D3161 Class F or ASTM D7158 Class H or G
  • Frost depth: 36 inches below finished grade

Additional Resources