Boiler, hot water heating and steam fitting contractors in Fullerton, CA

3 licenses with the C-4 classification list Fullerton (Orange County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓Caliagua IncA · B · C-4 · C-36 · #359728 Fullerton · Orange County Active
• ✓Harry Pro ServicesB · C-4 · C-7 · C-10 +5 · #764272 Fullerton · Orange County Active
• ✓Jc Combustion & BoilersC-4 · #1128635 Fullerton · Orange County Active

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