Sanitation system contractors in Grass Valley, CA
3 licenses with the C-42 classification list Grass Valley (Nevada County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.
- Black Diamond BuildersB · C-42 · #831668 Grass Valley · Nevada County Active
- Navo & Sons IncC-36 · C-42 · #717036 Grass Valley · Nevada County Active
- Quick Response Septic & Portable Toilet RentalsC-42 · #960628 Grass Valley · Nevada County Active
Source: CSLB license file, Nov 8, 2026All trades in Grass Valley