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In observance of Memorial Day, County offices will be closed Monday, May 30. For online services, visit our web page.

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Building Division

Building Codes

Adopted Codes

The following Codes have been adopted by the Board of Douglas County Commissioners.

2020 National Electrical Code

Adopted Oct. 19, 2021 adopted amendments to the Douglas County Building Codes effective Nov. 1, 2021.

Building Codes - Adopted on Nov. 12, 2019, adopted amendments to the Douglas County Building Codes effective Jan. 1, 2020.

  • 2018 International Building Code (Exhibit A)
  • 2018 International Residential Code (Exhibit A)
  • 2018 International Plumbing Code (Exhibit A)
  • 2018 International Mechanical Code (Exhibit A)
  • 2018 International Fuel Gas Code (Exhibit A)
  • 2018 International Energy Conservation Code (Exhibit A)
  • Wildfire Mitigation Standards (Exhibit B)
  • Standards for Water Supplies for Rural Fire Fighting (Exhibit C)
  • Installation Standards for Potable Water Storage Tanks and Cisterns for Domestic Use is – 22-98 (Exhibit D)
  • 2018 IBC Appendix O – Solar Photovoltaic Power Systems Access, Pathways and Spacing Requirements (Exhibit E)
  • Reference 2018 International Swimming Pool and Spa Code (Exhibit F)

2018 International Fire Code

Colorado Safety Code for Elevators & Escalators and Standard for Platform Lifts and Stairway Chair Lifts

Effective July 21, 2015, the Douglas County Board of County Commissioners adopted amendments to the following Douglas County Building Codes.