Commercial building fire on Avenida Empresa Heard on: Orange County CA Fire Dispatch 00:14 00:00 97, 94, Engine 31, Engine 54, Engine 18, Engine 40. 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 97, 94, Engine 31, Engine 54, Engine 18, Engine 40. 00:05 Truck 45, Truck 24, Truck 56, commercial structure fire. 00:10 (number withheld) Ave Empresa, Unit (number withheld). 00:13 Respond 5 Charlie, 1952. 2026-10-22 02:49 UTC Fire Avenida Empresa, Rancho Santa Margarita, CA 92688 View on map