Residential fire alarm near William Avenue in Larkspur Heard on: Marin County - All County Fire Agencies 00:18 00:00 Engine 16, residential fire alarm activation, (number withheld) William Avenue, 2227. 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 Engine 16, residential fire alarm activation, (number withheld) William Avenue, 2227. 00:09 Engine 15, we're clear. 00:11 We'll take the fire alarm. 00:14 Copy, Engine 15, clear. 00:16 We'll respond to William in the place of Engine 16. 2026-10-23 05:27 UTC Fire William Ave, Larkspur, CA 94939 View on map