Framing Stage of Building Construction 

Boulder County Building Code Amendments

The Boulder County Building Code Amendments are adopted by the Board of County Commissioners. The Building Code Amendments apply to construction on properties located in the unincorporated portions of Boulder County (outside of the cities and towns). The International Code Council (ICC) publishes new editions of their family of nationally recognized model codes every 3 years, with 2015 being the latest edition

All permit applications to the Boulder County Land Use Department, Building Safety and Inspection Services Division are currently reviewed and inspected under the 2015 editions (unless otherwise noted) of the following International Code Standards:

  • International Building Code (IBC)
  • International Existing Building Code (IEBC)
  • International Residential Code (IRC)
  • International Energy Conservation Code (IECC)
  • International Fuel Gas Code (IFGC)
  • International Mechanical Code (IMC)
  • International Plumbing Code (IPC)
  • International Green Construction Code (IGCC)
  • International Code Council Performance Code (ICCPC)
  • International Swimming Pool and Spa Code (ISPSC)
  • National Electric Code (NEC 2014 edition)

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2015 Building Codes Adoption

Boulder County has updated the Building Codes to the latest 2015 editions. The current code is effective in unincorporated Boulder County for all building permit applications received on or after January 1, 2017.

Information on the 2015 Boulder County Building Code Adoption is posted on the Board of Review page. Call 720-564-2602 for more information.

Past Codes

Note: Previous versions of the Boulder County Building Code Amendments are available as reference for all building permits issued prior to the current Amendments. Please contact Building Safety and Inspection Services for a copy of older Amendments.


Land Use Building Safety and Inspection Services

Email: Ask a Building Official
Main: 303-441-3926
Fax: 303-441-4856

Courthouse Annex Building

2045 13th Street
Boulder, CO 80302
8 a.m. - 4:30 p.m. M, W, TH, F
10 a.m. - 4:30 p.m. Tuesday
Plan review services for building permits are not available on Tuesdays.
Building permits can be applied for and issued until 4 p.m.
Map & Directions

Mailing Address

PO Box 471
Boulder, CO 80306