Sanitation system contractors in Patterson, CA

1 licenses with the C-42 classification list Patterson (Stanislaus County) as their address with the state, 1 of them active. Active licenses with nothing flagged come first.

• ✓William Cook Plumbing & Construction IncorporatedB · C-36 · C-42 · #1020317 Patterson · Stanislaus County Active

Source: CSLB license file, Nov 6, 2026All trades in Patterson