Sanitation system contractors in Eureka, CA

2 licenses with the C-42 classification list Eureka (Humboldt County) as their address with the state, 2 of them active. Active licenses with nothing flagged come first.

• ✓Moxon ConstructionA · B · C-42 · #1091123 Eureka · Humboldt County Active
• ✓Niekrasz Plumbing IncC-4 · C-34 · C-36 · C-42 · #292370 Eureka · Humboldt County Active

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