About the Title 24 California Building Code

California’s Construction regulations and standards are Included within Title 24 of the California Code of Regulations, or CCR, Printed by the California Building Standards Commission. These are regulations passed by California agencies charged with enforcing the nation’s various laws and requirements for builders and real estate owners. Title 24 contains all regulations for the buildings are designed and constructed, and are supposed to make sure the maximum structural integrity and safety of public and private buildings.


Title 24 building standards are enforced by municipal and county inspectors and regulators. These things may pass stricter criteria of their particular, and many do in consideration of their specific location, geography, climate and exposure to natural disasters like mudslides, drought, forest fires and earthquakes. These more restrictive criteria have to be reviewed with the California Building Standards Commission before they could go into effect.


Title 24 standards apply to the construction of buildings as well as their mechanical systems like heating, venting and air conditioning. The construction of pipes, electrical systems and fire-suppression systems all are controlled by Title 24. With more restrictive use of energy and concern for discharge of greenhouse gases by the state, Title 24 has been enlarged to include energy conservation, like the use of CFL light bulbs, that are now required in all state government offices, as well as emissions of environmental pollutants by building systems. The regulations are included within Section 11.


Accessibility is also the subject of Title 24 standards. Wheelchair accessibility to public buildings comes beneath a set of quite specific regulations, and buildings using a minimum number of home or rental units, such as new condominium and office buildings, are also subject to access criteria.

Model Standards

Many of Title 24’s components are closely modeled on federal standards. Part 3, the California Electric Code, is largely equal to the 2005 National Electric Code. There are comparable modeled criteria for the Mechanical Code, Plumbing Code and Fire Code. These model codes are amended by the state to conform to state law and conditions unique to California.

Additional CCR Regulations and Review

Title 24 includes Part 8, the Historical Building Code, which governs alterations or improvements to buildings designated as historic by the state. Part 10 is the present Buildings Code, which controls all work done on buildings that predate the current building standards. The California Code of Regulations also includes special building regulations within additional names, including Title 8 (for lift structure ), Title 19 (such as fire-suppression equipment), Title 21 (for architectural criteria ) and Title 25 (for public housing). Builders needing to ensure compliance with all the standards will usually authorize a”Title 24 Report” from a supplier, who will examine building systems and design to make sure they obey the regulations.

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