Low voltage systems contractors in Castro Valley, CA

4 licenses with the C-7 classification list Castro Valley (Alameda County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓NovateckC-7 · #1038321 Castro Valley · Alameda County Active
• ✓ShowcommC-7 · #871033 Castro Valley · Alameda County Active
• ✓Stanley SoundC-7 · C-10 · #508687 Castro Valley · Alameda County Active
• !Black Owls Network Communications IncC-7 · #1141654 Castro Valley · Alameda County Suspended: no workers' comp

Source: CSLB license file, Nov 6, 2026All trades in Castro Valley