Codes Enforced

Codes in effect as of January 1, 2008

Residential Projects:

  • Building, Electrical, Mechanical, and Plumbing Codes can be found in the "2006 Michigan Residential Code".  Washtenaw County also enforces Appendix F - Radon Control Methods.


Commercial Projects:

  • Building - Commercial/2006 Michigan Building Code 
  • Building - Residential/2006 Michigan Residential Code (effective August 1, 2008)
  • Electrical - Commercial/2005 Michigan Electrical Code (2005 NEC w/ State Part 8) 
  • Electrical - Residential/2006 Michigan Residential Code (2005 NEC w/ State Part 8) (effective August 1, 2008) 
  • Mechanical - Commercial/2006 Michigan Mechanical Code                                                                                                                Mechanical - Residential/2006 Michigan Residential Code (effective August 1, 2008) 

  • Plumbing - Commercial/2006 Michigan Plumbing Code                                                                                                                           Plumbing - Residential/2006 Michigan Residential Code (effective August 1, 2008)

Note:  All commercial projects must comply with barrier-free requirements set forth in ICC/ANSI 117.1 1998


Code books are available from:

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