Boiler, hot water heating and steam fitting contractors in Petaluma, CA
8 licenses with the C-4 classification list Petaluma (Sonoma County) as their address with the state, 7 of them active. Active licenses with nothing flagged come first.
- Bryan Masterson EnterprisesA · B · C-4 · C-16 +4 · #271933 Petaluma · Sonoma County Active
- C N S Mechanical IncC-4 · C-36 · #881051 Petaluma · Sonoma County Active
- Ernest Ongaro & Sons Inc Dba Ongaro & SonsC-4 · C-10 · C-16 · C-20 +7 · #215233 Petaluma · Sonoma County Active
- Icon Plumbing & DesignC-4 · C-36 · #904120 Petaluma · Sonoma County Active
- Incom Mechanical IncB · C-4 · C-16 · C-36 · #517617 Petaluma · Sonoma County Active
- John Owens Services IncB · C-4 · C-10 · C-20 +1 · #501853 Petaluma · Sonoma County Active
- Rust Plumbing IncC-4 · C-16 · C-36 · #976035 Petaluma · Sonoma County Active
- Scott M MillerC-4 · C-10 · C-20 · C-36 +1 · #1006302 Petaluma · Sonoma County Suspended: bond lapsed
Source: CSLB license file, Nov 8, 2026All trades in Petaluma