Carbon monoxide alarm at Glen Ellen Court Heard on: Contra Costa County CA Fire Dispatch 00:17 00:00 Truck 92, respond for hazardous condition (number withheld) Glen Ellen Court, across from Canyonwood Drive for a carbon monoxide alarm. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Truck 92, respond for hazardous condition (number withheld) Glen Ellen Court, across from Canyonwood Drive for a carbon monoxide alarm. 00:08 Confire, engine 83. 00:12 Engine 83. 00:15 Hold on, hold on, no hazard. 2026-10-23 07:41 UTC Fire Glenellen Ct, Brentwood, CA 94513 View on map