Sheet metal contractors in Danville, CA

5 licenses with the C-43 classification list Danville (Contra Costa County) as their address with the state, 4 of them active. Active licenses with nothing flagged come first.

• ✓Air Design Heating & CoolingC-20 · C-43 · #604264 Danville · Contra Costa County Active
• ✓H C Jensen Plumbing IncC-20 · C-36 · C-43 · #265318 Danville · Contra Costa County Active
• !California Air IncC-20 · C-43 · #300798 Danville · Contra Costa County Active Workers' comp suspension pending
• !Olsson Plumbing CompanyC-4 · C-20 · C-36 · C-42 +1 · #443706 Danville · Contra Costa County Active Disciplinary bond on file
• !Alex R Mathews IncB · C-20 · C-43 · #355393 Danville · Contra Costa County Suspended: no workers' comp

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