Water conditioning contractors in Brentwood, CA

3 licenses with the C-55 classification list Brentwood (Contra Costa County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓Delta Pure Water IncC-36 · C-55 · #838264 Brentwood · Contra Costa County Active
• ✓Success Water Systems IncC-36 · C-55 · #701671 Brentwood · Contra Costa County Active
• !Ecowater SystemsC-36 · C-55 · #878009 Brentwood · Contra Costa County Active Workers' comp suspension pending

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