• Municipal Codes Library by Lexis Nexis

Effective January 1, 2011

• 2011 County of Los Angeles Building Code (Title 26) Based on the 2010 California Building Code and the 2009 International Building Code
• 2011 County of Los Angeles Electrical Code (Title 27) Based on the 2010 California
Electrical Code and the 2008 National Electrical Code
• 2011 County of Los Angeles Plumbing Code (Title 28) Based on the 2010 California Plumbing Code and the 2009 Uniform Plumbing Code
• 2011 County of Los Angeles Mechanical Code (Title 29) Based on the 2010 California Mechanical Code and the 2009 Uniform Mechanical Code

New Codes

• 2011 County of Los Angeles Residential Code (Title 30) Based on the 2010 California Residential Code and the 2009 International Residential Code
• 2011 County of Los Angeles Green Building Standards Code (Title 31) Based on the 2010 California Green Building Standards Code

Effective January 1, 2010

• 2008 Building Energy Efficiency Standards for Residential and Nonresidential Buildings

Effective August 1, 2009

• 2008 California Green Building Standards Code

Effective January 1, 2009

• County of Los Angeles Green Building Program Ordinances
• Green Building Ordinance (Title 22, Part 20)
• Drought Tolerant Landscaping (Title 22, Part 21)
• Low Impact Development (Title 12, Chapter 12.84)

Effective January 1, 2008

• 2008 County of Los Angeles Building Code (Title 26) Based on the 2007 California Building Code and the 2006 International Building Code
• 2008 County of Los Angeles Plumbing Code (Title 28) Based on the 2007 California Plumbing Code and the 2006 Uniform Plumbing Code
• 2008 County of Los Angeles Mechanical Code (Title 29) Based on the 2007 California Mechanical Code and the 2006 Uniform Mechanical Code
• 2008 County of Los Angeles Electrical Code (Title 27) Based on the 2007 California Electrical Code and the 2005 National Electrical Code

Effective October 1, 2005

• 2005 Building Energy Efficiency Standards for Residential and Nonresidential Buildings

Enforcement of the provisions of each Code begins on the effective dates listed above for projects with an application date on or after their respective effective date. Each Code incorporates local County of Los Angeles amendments and the respective State and model codes.

Building, Residential, Green Building Standards, and Electrical

The County of Los Angeles Building, Residential, Electrical, and Green Building Standards Codes are available from:
ICC Los Angeles Regional Office
5360 Workman Mill Road
Whittier, CA 90601-2298
1-800-423-6587
ICC Website

The State of California Green Building Standards Code is available for free download from:
Building Standards Commission
BSD CALGreen Website

Mechanical and Plumbing

The County of Los Angeles Mechanical and Plumbing Codes are available from:
International Association of Plumbing and Mechanical Officials (IAPMO)
5001 E. Philadelphia Street
Ontario, CA 91761-2816
1-800-85-IAPMO
International Association of Plumbing and Mechanical Officials (IAPMO) Website