Water conditioning contractors in Middletown, CA
2 licenses with the C-55 classification list Middletown (Lake County) as their address with the state, 2 of them active. Active licenses with nothing flagged come first.
- Cal Tech Pump Well & Compressor IncC-55 · C-57 · C-61/D-21 · #923640 Middletown · Lake County Active
- Stevenson Water Treatment & Distribution Systems IncC-55 · C-61/D-21 · #1025430 Middletown · Lake County Active
Source: CSLB license file, Nov 6, 2026All trades in Middletown