Licensed Low Voltage Systems (C-7) contractors in Castro Valley, CA

The California Contractors State License Board (CSLB) lists 4 Low Voltage Systems (C-7) contractors in Castro Valley, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

4 contractors

1. Black Owls Network Communications INC

   Castro Valley, CA · CSLB #1141654 · as of June 27, 2026
   Active · clear
2. Novateck

   Castro Valley, CA · CSLB #1038321 · as of June 27, 2026
   Active · clear
3. Showcomm

   Castro Valley, CA · CSLB #871033 · as of June 27, 2026
   Active · clear
4. Stanley Sound

   Castro Valley, CA · CSLB #508687 · as of June 27, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.