Sanitation system contractors in Fairfield, CA

4 licenses with the C-42 classification list Fairfield (Solano County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓Cya SepticC-42 · #1104603 Fairfield · Solano County Active
• ✓Plumbing SolutionsB · C-20 · C-36 · C-42 · #871320 Fairfield · Solano County Active
• ✓Silvermark Construction Services IncB · C-10 · C-20 · C-36 +2 · #1019403 Fairfield · Solano County Active
• !Trench Less SolutionsC-42 · #1053450 Fairfield · Solano County Suspended: bond lapsed

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