Water conditioning contractors in Petaluma, CA
2 licenses with the C-55 classification list Petaluma (Sonoma County) as their address with the state, 2 of them active. Active licenses with nothing flagged come first.
- Ellis & Gerald Sullivan IncC-55 · #533124 Petaluma · Sonoma County Active
- Nor-Cal PumpworksC-55 · C-61/D-21 · #747799 Petaluma · Sonoma County Active
Source: CSLB license file, Nov 8, 2026All trades in Petaluma