Basic life support dispatched to Castro Valley address Heard on: Alameda County CA EMS Dispatch 00:06 Castro Valley, respond to BLS 100 and thirty-two 5451 at (number withheld) Castro Valley Boulevard, Casa San Miguel. 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. Castro Valley, respond to BLS 100 and thirty-two 5451 at (number withheld) Castro Valley Boulevard, Casa San Miguel. 2026-10-22 08:28 UTC Medical Emergency Castro Valley Blvd, Castro Valley, CA 94546 View on map