Refrigeration contractors in Castro Valley, CA

3 licenses with the C-38 classification list Castro Valley (Alameda County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓John Mc Donagh Builders and Energy SystemsB · C-4 · C-10 · C-27 +5 · #422946 Castro Valley · Alameda County Active
• ✓Sayage Refrigeration CoC-38 · #818952 Castro Valley · Alameda County Active
• ✓Top One Equipment CareC-38 · C-61/D-34 · #1040710 Castro Valley · Alameda County Active

Source: CSLB license file, Nov 8, 2026All trades in Castro Valley