Structural steel contractors in Healdsburg, CA

4 licenses with the C-51 classification list Healdsburg (Sonoma County) as their address with the state, 4 of them active. Active licenses with nothing flagged come first.

• ✓Black Iron IncC-51 · #873103 Healdsburg · Sonoma County Active
• ✓Blue Barn Arts IncB · C-51 · C-60 · #942988 Healdsburg · Sonoma County Active
• ✓F & M Steel IncC-51 · #767446 Healdsburg · Sonoma County Active
• ✓S R Iron IncC-23 · C-51 · #576171 Healdsburg · Sonoma County Active

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