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

2 licenses with the C-4 classification list Altadena (Los Angeles County) as their address with the state, 2 of them active. Active licenses with nothing flagged come first.

• ✓Air Conditioning Solutions IncB · C-4 · C-20 · C-36 +1 · #863580 Altadena · Los Angeles County Active
• ✓H & H Mechanical IncC-4 · C-20 · #644029 Altadena · Los Angeles County Active

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