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

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

• ✓American Air Systems IncC-4 · C-20 · #798465 Vacaville · Solano County Active
• ✓Ethical MechanicalC-4 · C-10 · C-20 · C-36 +1 · #1143480 Vacaville · Solano County Active
• ✓Pro Line Piping LLCC-4 · C-36 · C-60 · #1101535 Vacaville · Solano County Active

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