Building Code Information


2024 Building Code Update

BEGINNING IMMEDIATELY, ALL NEW COMMERCIAL BUILDINGS, COMMERCIAL ADDITIONS, COMMERCIAL TENANT FINISHES/IMPROVEMENTS, AND MULTIFAMILY PROJECTS ARE REQUIRED TO BE DESIGNED TO THE 2024 CODE PACKAGE INCLUDING THE COLORADO LOW ENERGY AND CARBON CODE.  

EFFECTIVE IMMEDIATELY, ALL RESIDENTIAL NEW SINGLE FAMILY DWELLINGS, DETACHED AND ATTACHED, ADDITIONS, AND REMODELS ARE REQUIRED TO BE DESIGNED TO THE 2024 CODE PACKAGE INCLUDING THE COLORADO LOW ENERGY AND CARBON CODE. 

First reading for City Council will be in January 27, 2026 and second reading in February 24, 2026. The 2024 Building Code update will include all the 2024 ICC code and the Colorado Low Energy Carbon Code. Proposed effective date for all permits issued beginning April 15, 2026. Please visit the State of Colorado Website for the State's Final Energy Code Board Code Report, the Final MLECC Amendment Package with Code Insights and the Final MLECC Amendment Package. Visit Broomfield Voice for more information. 

2024 Code Significant Changes Handout    Commercial Energy Code Summary for the LECC   Residential Energy Code Summary for the LECC

2024 Code requirements for Structural Design.

The City and County of Broomfield observes the 2021 International Codes and the 2023 National Electrical Code.

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. 

2021 International Codes

The City and County of Broomfield adopted the 2021 International Code series on April 15th, 2023 (Ordinance No. 2205 and Title 15). 

2023 National Electrical Code

The City and County of Broomfield began enforcing the 2023 National Electrical Code on August 1st, 2023, based on the State of Colorado adoption. 

Design Criteria

  • Design roof snow load: 30.0 psf.
  • Assigned ground snow load: 30.0 psf.
  • Design wind speed for commercial 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.
  • IBC and IRC wind designs need to meet requirements out of the ASCE 7-16.
  • Asphalt shingles shall comply with table R905.2.4.1 of the 2021 IRC.
  • Frost depth: 36 inches below finished grade.

State Electric-Ready and Solar-Ready Code

On August 22, 2023, Broomfield City Council passed the Residential Fire Sprinkler requirement for all new-house permits as well as the new State Electric-Ready and Solar-Ready Code for all new commercial and new residential projects with an effective date of January 1, 2024.