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Effective January 1, 2016, the City of Clayton has adopted the following codes:

  • Part I, the 2015 International Building Code
  • Part II, the 2015 International Mechanical Code
  • Part III, the 2015 International Plumbing Code
  • Part IV, the 2015 International Residential Code
  • Part V, the 2015 International Fuel Gas Code
  • Part VI, the 2015 International Energy Conservation Code
  • Part VII, the 2015 International Existing Building Code

Included are all appendices to each code.

The 2008 National Electric Code has also been adopted as part of the St. Louis County amendments.

In addition to the actual Code, amendments are contained in the Ordinance that are designed to take into consideration circumstances and standards which are specific to Clayton.

To purchase the code (without local amendments), please visit the International Code Council's web site,


Inspection Scheduling

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