Per California Senate Bill 183, beginning July 1, 2011, all existing single family homes must have carbon monoxide alarms. All other types of residences (apartments, condominiums, etc.) will need carbon monoxide alarms beginning January 1, 2013.
The new requirements apply if ANY of the following are present within a home:
- Attached garage
- Natural gas or propane furnace and/or
- Gas or wood-burning fireplace
For existing homes, the CO alarms may be battery powered. At a minimum, CO alarms are required:
- Outside of each sleeping area or bedroom and
- On each level of the home
New California Building Code Requirements
Effective January 1, 2011, the California Building Code has similar requirements for all new homes and for existing homes undergoing alterations and repairs requiring building permits. Further information about specific requirements is available as follows:
- Carbon monoxide alarms or detectors are required on all residential building permits exceeding $1000. Exemptions apply to homes that have no fossil fuel-burning appliances, fireplace, or attached garage.
- Carbon monoxide alarms or detectors must be installed in accordance with CRC Section R314.6.2 and R315.2 respectively.
- For a list of CO alarms currently approved by the Office of the State Fire Marshal, visit the California Department of Forestry and Fire Protection website a at http://osfm.fire.ca.gov/licensinglistings/licenselisting_bml_searchcotest.php. Select 5276 (Carbon Monoxide Alarms) from the "Category" dropdown list and hit the "Search" button.
State Fire Marshall (SFM) Approved Carbon Monoxide Alarms and Detectors
BRK BRANDS, INC.
6) "First Alert" CO500 and CO511 single/multiple station, battery operated.
7) "First Alert" GCO1 single station, AC powered with battery back-up Carbon Monoxide alarm.
8) "First Alert" CO604 and CO614 Carbon Monoxide alarms.
9) "First Alert" CO5120BN and CO5120PDBN single/multiple station , AC powered with battery back-up Carbon Monoxide alarms.
10) "First Alert" CO250 single station, battery battery operated Carbon Monoxide alarm.
11) CO1209 and CO1209F Carbon Monoxide detectors.
1) GN-503 Series combination photoelectric smoke and electrochemical carbon monoxide (CO) detectors.
1) KN-COB-LCB-A single station Carbon Monoxide alarm.
2) KN-COPF-I single station Carbon Monoxide alarms.
3) KN-COP-DP-LS single station Carbon Monoxide alarm.
4) KN-COB-B-LS and KN-COPP-B-LS single station Carbon Monoxide alarms.
5) KN-COB-LP, KN-COPP-B-LP, KN-COB-LPM, and KN-COPP-LPM single station Carbon Monoxide alarms.
6) KN-COPP-3 single station Carbon Monoxide alarm.
7) KN-COEG-3 single station Carbon Monoxide alarm.
8) KN-COB-DP-LS single station Carbon Monoxide alarm
9) KN-COB-B and KN-COPP-B single station Carbon Monoxide alarms.
10) KN-COB-IC and KN-COP-IC, single station and
multiple station, Carbon Monoxide alarm.
SYSTEM SENSOR, UNINCORPORATED DIVISION OF HONEYWELL INT’L
1) CO1224, CO1224T and CO1224TR gas detectors intended for Carbon Monoxide detection.
Current listings of SFM Carbon Monoxide Alarms and Detectors as well as other building materials may be found at the following link: