Hazardous substance removal certifications in Modesto, CA

4 licenses with the HAZ classification list Modesto (Stanislaus County) as their address with the state, 4 of them active. Active licenses with nothing flagged come first.

• ✓Bay-Valley Groundworks IncA · B · HAZ · #1004644 Modesto · Stanislaus County Active
• ✓Hydro ProsA · HAZ · #1093330 Modesto · Stanislaus County Active
• ✓Oller ConstructionA · B · HAZ · #780327 Modesto · Stanislaus County Active
• ✓Terry D HamiltonA · B · C-61/D-40 · HAZ · #339108 Modesto · Stanislaus County Active

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