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

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

• ✓Atmosair Heating and Air ConditioningC-4 · C-20 · #732398 Sebastopol · Sonoma County Active
• ✓Warm Zone IncC-4 · C-36 · #412438 Sebastopol · Sonoma County Active

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