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

7 licenses with the C-4 classification list Oakland (Alameda County) as their address with the state, 7 of them active. Active licenses with nothing flagged come first.

• ✓Advanced RefrigerationC-4 · C-20 · C-38 · #1017769 Oakland · Alameda County Active
• ✓Alaska Refrigeration Air Conditioning & Heating CoC-4 · C-20 · C-38 · #565401 Oakland · Alameda County Active
• ✓Broadway Mechanical - Contractors IncA · B · C-4 · C-12 +8 · #584263 Oakland · Alameda County Active
• ✓Broadway Mechanical-Big Pipe Joint VentureC-4 · C-20 · C-36 · C-43 · #1074845 Oakland · Alameda County Active
• ✓Capeta Radiant Heat SystemsC-4 · #994184 Oakland · Alameda County Active
• ✓Modern HydronicsC-4 · #1044968 Oakland · Alameda County Active
• ✓Monterey Mechanical CoA · B · C-4 · C-12 +5 · #388361 Oakland · Alameda County Active

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