Hazardous substance removal certifications in Castro Valley, CA

2 licenses with the HAZ classification list Castro Valley (Alameda County) as their address with the state, 2 of them active. Active licenses with nothing flagged come first.

• ✓Environmental In Ovations CorporationASB · B · C-10 · HAZ · #955826 Castro Valley · Alameda County Active
• ✓John Mc Donagh Builders and Energy SystemsB · C-4 · C-10 · C-27 +5 · #422946 Castro Valley · Alameda County Active

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