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

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

• ✓A T Weber Plumbing & Mechanical Services IncC-4 · C-20 · C-36 · #562098 Alameda · Alameda County Active
• ✓Alameda Island Heating & Air Conditioning LLCC-4 · C-20 · C-38 · #889253 Alameda · Alameda County Active
• ✓Comfort Air Mechanical Systems IncC-4 · C-20 · #901310 Alameda · Alameda County Active
• ✓H T O Plumbing and RadiantC-4 · C-36 · #876197 Alameda · Alameda County Active

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