2010 California Residential Code (CRC; pp. 35-36):
The CRC requires the installation of CO detectors in new one- and two-family dwellings and townhomes of not more than three stories, and where work requiring a permit occurs in existing buildings. (Effective date: January 1, 2011)
2010 California Building Code (CBC; pp. 21-22):
The CBC requires CO devices in new buildings (Group R-1, R-2, R-3, and I-1) and existing buildings where a permit is required for alterations, repairs, or additions exceeding $1,000. (Effective date: January 1, 2011)
CA Health and Safety Code, Division 13, Part 1.5, Chapter 2, Section 17926:
An owner of a dwelling unit intended for human occupancy shall install a carbon monoxide device, approved and listed by the State Fire Marshal pursuant to Section 13263, in each existing dwelling unit having a fossil fuel burning heater or appliance, fireplace, or an attached garage, within the earliest applicable time period as follows:
- For all existing single-family dwelling units intended for human occupancy on or before July 1, 2011.
- For all existing hotel and motel dwelling units intended for human occupancy on or before January 1, 2016.
- For all other existing dwelling units intended for human occupancy on or before January 1, 2013.
California AB56:
Requires the CA Building Standards Commission to propose appropriate standards for the installation of CO devices in public and private schools by July 1, 2015. A.B. 56, passed in 2013, adds Article 7 (commencing with Section 32080) to Chapter 1 of Part 19 of Division 1 of Title 1 of the Education Code. Chapter 1 of Part 19 of Division 1 of Title 1 of the Education Code.