Housing Code Enforcement
Housing Code Enforcement


Effective January 1, 2013 all residential multi-unit dwellings; and
Since July 1, 2011 all single family dwellings must have carbon monoxide devices installed. 

New California State Law Requires Carbon Monoxide Device(s)

Property owners should be aware that a new California State Law makes it mandatory for all dwelling units intended for human occupancy (Both owner occupied & rental) are required to have carbon monoxide device(s), approved and listed by the State Fire Marshal, in each existing dwelling unit that is equipped with fossil fuel burning appliances, fireplace, or has an attached garage.  Property owners are required to comply with this new State law as follows:

  • For all existing single-family dwelling units for human occupancy on or before July 1, 2011.
  • For all other existing dwelling units intended for human occupancy on or before January 1, 2013. (Health and Safety Code, Section 17926)

With respect to the number and placement of the carbon monoxide device(s), the owner shall install the device(s) in a manner consistent with building standards for new construction relevant to the type of occupancy and/or per the manufactures installation instructions. (See links below)

  • For information from the State Fire Marshal on Frequently Asked Questions (FAQ) regarding carbon monoxide devices, please click here.
  • For a list of State Fire Marshal approved and listed carbon monoxide devices, please click here.  

For Additional Information

  • For questions pertaining to existing housing or rental housing contact the Health, Housing & Community Services Department, Rental Housing Safety Program (RHSP) office at (510) 981-5445
  • For questions pertaining to permitted new construction contact the Planning Department at (510) 981‑7440.




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Housing Code Enforcement, 2120 Milvia St., Berkeley, CA 94704
Questions or comments? Email: rhsp@cityofberkeley.info Phone: (510) 981-5444
(510) 981-CITY/2489 or 311 from any landline in Berkeley
TTY: (510) 981-6903