Carbon monoxide alarm at apartment on Foster Street Heard on: Contra Costa County CA Fire Dispatch 00:09 00:00 Truck 14, respond. 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 14, respond. 00:02 Hazardous condition. 00:03 (number withheld) Foster Street. 00:04 (number withheld) Foster Street, apartment (number withheld). 00:07 CO alarm activation in the residence. 2026-11-10 03:35 UTC Fire Foster St, Martinez, CA 94553 View on map