The permit application date sets the applicable codes for a given project. Below is a list of the codes that are effective on or after the specified date. Items in italics indicate a change in the adopted codes.

Applications received on or after January 1, 2017:

  • California Building, Plumbing, Mechanical, and Electrical Codes:
    • 2016 California Building Code (Based on the International Building Code, 2015 Edition with State amendments)
    • 2016 California Residential Code (Based on the International Residential Code, 2015 Edition with State amendments)
    • 2016 California Plumbing Code (Based on Uniform Plumbing Code, 2015 IAPMO Edition with State amendments)
    • 2016 California Mechanical Code (Based on the Uniform Mechanical Code, 2015 IAPMO Edition with State amendments)
    • 2016 California Electrical Code (Based on the National Electrical Code, 2014 Edition with State amendments)
    • 2016 California Referenced Standards Code
  • 2016 California Energy Code
  • 2016 California Green Building Standards Code
  • City of Walnut Creek Municipal Code

Applications received on or after July 1, 2014:

  • California Building, Plumbing, Mechanical, and Electrical Codes, respectively:
    • California Building Code, 2013 Edition (Adopts the International Building Code, 2012 Edition with State amendments)
    • California Residential Code, 2013 Edition (Adopts the International Residential Code, 2012 Edition with State amendments)
    • California Plumbing Code, 2013 Edition (Adopts Uniform Plumbing Code, 2012 IAPMO Edition with State amendments)
    • California Mechanical Code, 2013 Edition (Adopts the Uniform Mechanical Code, 2012 IAPMO Edition with State amendments)
    • California Electrical Code, 2013 Edition (Adopts the National Electrical Code, 2011 Edition with State amendments)
    • 2013 California Referenced Standards Code
  • 2013 California Energy Code
  • 2013 California Green Building Standards Code
  • City of Walnut Creek Municipal Code

Applications received on or after January 1, 2014:

  • California Building, Plumbing, Mechanical, and Electrical Codes, respectively:
    • California Building Code, 2013 Edition (Adopts the International Building Code, 2012 Edition with State amendments)
    • California Residential Code, 2013 Edition (Adopts the International Residential Code, 2012 Edition with State amendments)
    • California Plumbing Code, 2013 Edition (Adopts Uniform Plumbing Code, 2012 IAPMO Edition with State amendments)
    • California Mechanical Code, 2013 Edition (Adopts the Uniform Mechanical Code, 2012 IAPMO Edition with State amendments)
    • California Electrical Code, 2013 Edition (Adopts the National Electrical Code, 2011 Edition with State amendments)
    • 2013 California Referenced Standards Code
  • 2010 California Energy Code
  • 2013 California Green Building Standards Code
  • City of Walnut Creek Municipal Code

Applications received on or after January 1, 2011:

  • California Building, Plumbing, Mechanical, and Electrical Codes, respectively:
    • California Building Code, 2010 Edition (Adopts the International Building Code, 2009 Edition with State amendments)
    • California Residential Code, 2010 Edition (Adopts the International Residential Code, 2009 Edition with State amendments)
    • California Plumbing Code, 2010 Edition (Adopts Uniform Plumbing Code, 2009 IAPMO Edition with State amendments)
    • California Mechanical Code, 2010 Edition (Adopts the Uniform Mechanical Code, 2009 IAPMO Edition with State amendments)
    • California Electrical Code, 2010 Edition (Adopts the National Electrical Code, 2008 Edition with State amendments)
    • 2010 California Referenced Standards Code
  • 2010 California Energy Code
  • 2010 California Green Building Standards Code
  • City of Walnut Creek Municipal Code

Applications received on or after January 1, 2010:

  • California Building, Plumbing, Mechanical, and Electrical Codes, respectively:
    • California Building Code, 2007 Edition (Adopts the International Building Code, 2006 Edition with State amendments)
    • California Plumbing Code, 2007 Edition (Adopts Uniform Plumbing Code, 2006 IAPMO Edition with State amendments)
    • California Mechanical Code, 2007 Edition (Adopts the Uniform Mechanical Code, 2006 IAPMO Edition with State amendments)
    • California Electrical Code, 2007 Edition (Adopts the National Electrical Code, 2005 Edition with State amendments)
    • 2007 California Referenced Standards Code
  • 2007 California Energy Code (2008 Building Energy Efficiency Standards)
  • 2008 California Green Building Standards Code
  • City of Walnut Creek Municipal Code

Applications received on or after August 1, 2009:

  • California Building, Plumbing, Mechanical, and Electrical Codes, respectively:
    • California Building Code, 2007 Edition (Adopts the International Building Code, 2006 Edition with State amendments)
    • California Plumbing Code, 2007 Edition (Adopts Uniform Plumbing Code, 2006 IAPMO Edition with State amendments)
    • California Mechanical Code, 2007 Edition (Adopts the Uniform Mechanical Code, 2006 IAPMO Edition with State amendments)
    • California Electrical Code, 2007 Edition (Adopts the National Electrical Code, 2005 Edition with State amendments)
    • 2007 California Referenced Standards Code
  • 2007 California Energy Code
  • 2008 California Green Building Standards Code
  • City of Walnut Creek Municipal Code

Applications received on or after January 1, 2008:

  • California Building, Plumbing, Mechanical, and Electrical Codes, respectively:
    • California Building Code, 2007 Edition (Adopts the International Building Code, 2006 Edition with State amendments)
    • California Plumbing Code, 2007 Edition (Adopts Uniform Plumbing Code, 2006 IAPMO Edition with State amendments)
    • California Mechanical Code, 2007 Edition (Adopts the Uniform Mechanical Code, 2006 IAPMO Edition with State amendments)
    • California Electrical Code, 2007 Edition (Adopts the National Electrical Code, 2005 Edition with State amendments)
    • 2007 California Referenced Standards Code
  • 2007 California Energy Code
  • City of Walnut Creek Municipal Code

Applications received on or after October 1, 2005:

  • California Building, Plumbing, Mechanical, and Electric Codes, respectively:
    • California Building Code, 2001 Edition (Adopts the Uniform Building Code, 1997 Edition with State amendments)
    • California Plumbing Code, 2001 Edition (Adopts Uniform Plumbing Code, 2000 IAPMO Edition with State amendments)
    • California Mechanical Code, 2001 Edition (Adopts the Uniform Mechanical Code, 2000 IAPMO Edition with State amendments)
    • California Electric Code, 2004 Edition (Adopts the National Electric Code, 2002 Edition with State amendments)
    • Uniform Building Code Standards, 1997 Edition
  • 2005 Building Energy Efficiency Standards for Residential and Nonresidential Buildings
  • City of Walnut Creek Municipal Code

Applications received on or after August 1, 2005:

  • California Building, Plumbing, Mechanical, and Electric Codes, respectively:
    • California Building Code, 2001 Edition (Adopts the Uniform Building Code, 1997 Edition with State amendments)
    • California Plumbing Code, 2001 Edition (Adopts Uniform Plumbing Code, 2000 IAPMO Edition with State amendments)
    • California Mechanical Code, 20001 Edition (Adopts the Uniform Mechanical Code, 2000 IAPMO Edition with State amendments)
    • California Electric Code, 2004 Edition (Adopts the National Electric Code, 2002 Edition with State amendments)
    • Uniform Building Code Standards, 1997 Edition
  • Energy Efficiency Standards for Residential and Nonresidential Buildings, June 2001
  • City of Walnut Creek Municipal Code

Applications received on or after November 1, 2002:

  • California Building, Plumbing, Mechanical, and Electric Codes, 2001 Editions, which adopt by reference the following codes, respectively:
    • Uniform Building Code, 1997 Edition
    • Uniform Plumbing Code, 2000 IAPMO Edition
    • Uniform Mechanical Code, 2000 IAPMO Edition
    • National Electric Code, 1999 Edition
    • Uniform Building Code Standards, 1997 Edition
  • Energy Efficiency Standards for Residential and Nonresidential Buildings, June 2001
  • City of Walnut Creek Municipal Code

Building Code Adoption History

 IB-032 Building Code Adoption History