Person needing medical aid near Grand Avenue Heard on: San Mateo County Fire, CalFire CZU 00:03 00:00 Medical aid (number withheld) Grand. 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 Medical aid (number withheld) Grand. 00:02 (number withheld) Grand Avenue, (number withheld). 9/7/2026 06:50 AM Medical Emergency Grand Ave, South San Francisco, CA 94080 View on map