Low voltage systems contractors in El Sobrante, CA

3 licenses with the C-7 classification list El Sobrante (Contra Costa County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓Access Security Solutions LLCC-7 · #1075420 El Sobrante · Contra Costa County Active
• ✓Martin HerzfeldC-7 · C-10 · C-46 · C-61/D-31 +1 · #833782 El Sobrante · Contra Costa County Active
• ✓Superior Security Systems IncC-7 · C-10 · #668546 El Sobrante · Contra Costa County Active

Source: CSLB license file, Nov 8, 2026All trades in El Sobrante